User:Matthias Buchmeier/en-es-o

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O {particle} /əʊ/ (a vocative particle)  :: oh, oy {m}
oaf {n} /oʊf/ (imbecile)  :: manazas
oak {n} /oʊk/ (tree or shrub of the genus Quercus)  :: roble {m}
oak {n} (wood)  :: roble {m}
oak apple {n} (oak gall) SEE: oak gall  ::
oak tree {n} (tree or shrub of the genus Quercus) SEE: oak  ::
oakum {n} (fibrous caulking material)  :: estopa {f}
oar {n} /oʊr/ (implement used to row a boat)  :: remo {m}
oar {v} (to row) SEE: row  ::
OAS {initialism} (Organization of American States)  :: OEA (Organización de los Estados Americanos)
oasis {n} /oʊˈeɪsɪs/ (well surrounded by fertile region)  :: oasis {m}
oasis {n} (quiet or peaceful place)  :: oasis {m}
oat {n} /əʊt/ (a widely cultivated cereal grass)  :: avena {f}
oat {n} (seeds of the oat) SEE: oats  ::
oath {n} (curse) SEE: curse  ::
oath {n} (solemn pledge)  :: juramento {m}
oath {v} (to pledge)  :: jurar
oatmeal {n} (breakfast cereal, see also: porridge)  :: avena {f}
oat milk {n} (milky liquid from oats)  :: leche de avena {f}
oats {n} (seeds of an oat plant)  :: avena {f}
Oaxaca {prop} (city)  :: Oaxaca de Juárez {f}, Oaxaca {f}
Oaxaca {prop} /wɑːˈhɑː.kɑː/ (state of Mexico)  :: Oaxaca {f}
Ob {prop} (Ob River)  :: Obi, Ob
Obadiah {prop} (book of the Old Testament)  :: Abdías
Obama {prop} (surname)  :: Obama
Obed {prop} (son of Ruth and Boaz)  :: Obed
obedience {n} /ə(ʊ)ˈbiːdɪəns/ (quality of being obedient)  :: obediencia {f}
obedient {adj} (willing to comply with the commands)  :: obediente
obelisk {n} (A tall, square, tapered, stone monolith topped with a pyramidal point)  :: obelisco {m}
Oberon {prop} (moon of Uranus)  :: Oberón
obese {adj} /oʊˈbis/ (extremely overweight)  :: obeso
obesity {n} (act or state of being obese)  :: obesidad {f}, sobrepeso {m}
obey {v} (to do as one is told)  :: obedecer
obey {v} (to do as ordered by)  :: obedecer
obfuscate {v} (alter code)  :: ofuscar
obfuscate {v} /ˈɑːbfʌskeɪt/ (make confusing)  :: ofuscar
obiter dictum {n} /ˌəʊbɪtə ˈdɪktəm/ (statement not essential to the disposition of the case)  :: opinión accesoria {f}
obituary {n} /əˈbɪtjʊəɹɪ/ (brief notice of a person's death, as published in a newspaper)  :: necrología {f}, obituario
object {n} /ˈɑb.dʒɛkt/ (thing)  :: objeto {m}
object {n} (in grammar)  :: complemento {m}, objeto {m}
object {n} (in object-oriented programming)  :: objeto {m}
object {n} (the goal, end or purpose of something)  :: objeto {m}
object {v} (disagree with something or someone)  :: objetar
objection {n} /əbˈdʒɛkʃən/ (statement expressing opposition)  :: objeción {f}
objection {n} (official protest raised in a court of law)  :: protesta {f}
objective {adj} (based on observed fact)  :: objetivo
objective {adj} /əbˈdʒɛk.tɪv/ (relating to a material object)  :: objetivo
objective {adj} (not influenced by emotions)  :: objetivo
objective {n} (goal)  :: objetivo {m}
objective {n} ((grammar) the objective case)  :: objetivo {m}
objective {n} (lens)  :: objetivo {m}
objective {n} (material object)  :: objetivo {m}
objective case {n} (case of an object) SEE: accusative  ::
objectivity {n} (The state of being objective)  :: objetividad {f}
object-oriented programming {n} (programming paradigm that uses objects to design application and computer programs)  :: programación orientada a objetos {f}
objet d'art {n}  :: obra de arte {f}
oblast {n} /ˈɒbləst/ (a region or province)  :: óblast
oblation {n} /oʊˈbleɪʃən/ (the offering to a deity)  :: oblación {f}
obligation {n} (act of binding oneself by a social, legal, or moral tie to someone)  :: comprometerse
obligation {n} (course of action imposed by society, law, or conscience)  :: deber {m}, obligación {f}
obligation {n} (legal agreement)  :: compromiso {m}, deber {m}, obligación {f}
obligation {n}  :: obligación {f}
obligation {n} (social, legal, or moral requirement)  :: compromiso {m}, obligación {f}
obligatory {adj} /əˈblɪɡətɔɹi/ (binding)  :: obligatorio
oblige {v} /əˈblaɪdʒ/ (to constrain someone by force or by social, moral or legal means)  :: obligar
obliging {adj} (Happy and ready to do favours for others)  :: acomedido [Am.], servicial
oblique {adj} (not straightforward; indirect; obscure; hence, disingenuous; underhand; perverse; sinister)  :: oblicuo
oblique {adj} /oʊˈbliːk/ (not erect or perpendicular; neither parallel to, nor at right angles from)  :: oblicuo
oblique case {n} (any noun case except the nominative or vocative)  :: caso oblicuo {m}
obliquity {n} /əˈblɪkwɪɾi/ (quality of being obscure) SEE: obscurity  ::
obliterate {v} (to remove completely, leaving no trace; to wipe out; to destroy)  :: remover, borrar, destruir, obliterar, arrasar
obliteration {n} (The cancellation, erasure or deletion of something)  :: obliteración {f}
obliteration {n} (The total destruction of something)  :: obliteración {f}
oblivion {n} /əˈblɪvɪən/ (state of forgetfulness or distraction)  :: olvido {m}
oblivion {n}  :: olvido
oblivious {adj} (failing to remember)  :: olvidadizo
oblivious {adj} (unaware)  :: inconsciente, desprevenido
oblong {adj} (longer than wide)  :: oblongo
oblong {adj} (roughly rectangular or ellipsoidal)  :: oblongo
obloquy {n} /ˈɒbləˌkwi/ (Abusive language)  :: insulto {m}, abuso {m}, vulgaridad {f}
obnoxious {adj} /əbˈnɑkʃəs/ (offensive, very annoying)  :: desagradable {m} {f}, detestable {m} {f}, odioso {m}, odiosa {f}, inhalagüeño {m}
oboe {n} /ˈoʊboʊ/ (wind instrument)  :: oboe {m}
oboist {n} (performer on the oboe)  :: oboísta {m} {f}
obolus {n} (silver coin)  :: óbolo {m}, obolus {m}
obscene {adj} /əbˈsin/ (offensive to current standards of decency or morality)  :: obsceno
obscenely {adv} (in an obscene manner)  :: obscenamente
obscenity {n} (something that is obscene)  :: obscenidad {f}
obscurantism {n} (deliberate obscurity or vagueness)  :: o(b)scurantismo
obscure {adj} /əbˈskjʊɚ/ (dark, faint or indistinct)  :: obscuro
obscure {v} (to hide, put out of sight)  :: esconder, ocultar
obscurity {n} (darkness; the absence of light)  :: oscuridad {f}
obsequious {adj} /əbˈsiːkwi.əs/ (obedient, compliant with someone else's orders)  :: servil, apatronado, obsequioso
obsequious {adj} (fawning, subservient)  :: sumiso, obsequioso
observable {adj} (able to be observed)  :: observable
observation {n} (act of observing or being observed)  :: observación {f}, vigilancia {f}; observancia {f}
observation {n} (judgement)  :: juicio {m}, parecer {m}
observation {n} (recording an event; the record of such noting)  :: anotación {f}, registro {m}
observation {n} (remark or comment)  :: observación {f}, comentario {m}
observation wheel {n} (Ferris wheel) SEE: Ferris wheel  ::
observatory {n} /əbˈzəɹvətɔɹi/ (place where celestial bodies are observed)  :: observatorio {m}
observe {v} /ʌʔbˈzɝv/ (to notice, to watch)  :: observar
observe {v} (to follow)  :: seguir, tomar en cuenta
observer {n} /əbˈzɜːvə/ (he who makes observations, monitors or takes notice)  :: observador {m}
obsession {n} /əbˈsɛʃən/ (compulsive or irrational preoccupation)  :: obsesión {f}
obsession {n}  :: obsesión {f}
obsession {n} (unhealthy fixation)  :: obsesión {f}
obsessive-compulsive disorder {n} (form of anxiety)  :: trastorno obsesivo-compulsivo {m}
obsidian {n} /ˌɑbˈsɪdiən/ (a type of black glass produced by volcanoes)  :: obsidiana {f}
obsolescence {n} (state)  :: obsolescencia {f}
obsolescent {adj} /ɑbsəˈlɛsənt/ (in the process of becoming obsolete, but not obsolete yet)  :: obsolescente
obsolete {adj} /ɑbsəˈliːt/ (no longer in use)  :: obsoleto
obstacle {n} (something that impedes, stands in the way of, or holds up progress)  :: obstáculo {m}
obstetric {adj} (relating to obstetrics)  :: obstétrico
obstetrician {n} /ˌɒbstəˈtrɪʃən/ (a physician who specializes in childbirth)  :: tocólogo {m}, tocóloga {f}, obstetra {m} {f}
obstetrics {n} (care of women during and after pregnancy)  :: obstetricia {f}
obstinacy {n} (state of stubbornness)  :: testarudez {f}, porfía {f}, terquedad {f}, obstinación {f}
obstinately {adv} (in an obstinate manner)  :: obstinadamente
obstreperosity {n} (state of being obstreperous)  :: escandaloso {m}
obstreperous {adj} /əbˈstrɛpərəs/ (noisily and stubbornly defiant)  :: estrepitoso {m}
obstruct {v} (To block or fill (a passage))  :: entorpecer, estorbar, atorar, obstruir
obstruct {v} (To get in the way of so as to hide from sight)  :: esconder, ocultar
obstruct {v} (To impede, retard, or interfere with)  :: entorpecer, impedir, estorbar
obtain {v} /əbˈteɪn/ (to get hold of, acquire)  :: obtener
obtain {v} (to hold, possess)  :: obtener
obtainable {adj} (capable of being obtained)  :: obtenible
obtrude {v} /əbˈtɹuːd/  :: imponer, imponerse, sobresalir
obtuse {adj} /əbˈt(j)us/ (botany, zoology: blunt)  :: obtuso, romo
obtuse {adj} (intellectually dull)  :: obtuso
obtuse {adj} (of an angle)  :: obtuso
obtuse {adj} (of a triangle) SEE: obtuse-angled  ::
obtuse triangle {n} (triangle with an obtuse angle)  :: triángulo obtusángulo {m}
obverse {adj} (turned or facing toward the observer)  :: anverso {m}
obviate {v} /ˈɑbviˌeɪt/ (to bypass a requirement)  :: obviar
obvious {adj} /ˈɑb.viː.əs/ (easily discovered or understood; self-explanatory)  :: obvio
obviously {adv} (in an obvious manner; clearly apparent)  :: obviamente
obviousness {n} (characteristic of being obvious)  :: obviedad {f}
ocarina {n} /ɑkəˈɹinə/ (a musical instrument)  :: ocarina {f}
Occam's razor {n} (both principles)  :: navaja de Occam {f}
occasion {n} /əˈkeɪʒən/ (favorable opportunity)  :: ocasión {f}
occasional {adj} /əˈkeɪʒənəl/ (limited to certain occasions; not very often)  :: ocasional
occasionally {adv} (from time to time; now and then; once in a while; at infrequent intervals)  :: ocasionalmente, de vez en cuando, a veces
occidental {adj} /ˌɒk.sǝˈdɛn.tǝl/ (of the occident:)  :: occidental, poniente
occipital {adj} (of or pertaining to the occiput (back of the head) or the occipital bone)  :: occipital
occipital {n} (occipital bone)  :: occipital {m}
occipitalis {n} (muscle of the head)  :: occipital {m}, músculo occipital {m}
occipital lobe {n} /ˌɑkˈsɪpɪtəl ˌloʊb/ (Division of cerebrum)  :: lóbulo occipital {m}
occipitofrontal {adj} (of or pertaining to the occipitofrontalis muscle)  :: occipitofrontal
occipitofrontalis {n} (muscle)  :: occipitofrontal {m}, músculo occipitofrontal {m}
occiput {n} /ˈɑksɪpʌt/ (back of the head or skull)  :: occipucio {m}
Occitan {prop} /ˈɑksəˌtæn/ (the Romance language)  :: occitano {m}, lengua de oc {f}
Occitania {prop} (Occitania)  :: Occitania
occult {n} /əˈkʌlt/ (supernatural affairs)  :: oculto {m}, ocultismo
occultism {n} (belief in occult powers)  :: ocultismo
occultism {n} (study of the supernatural)  :: ocultismo
occultist {n} (person who practises occultism)  :: ocultista {m} {f}
occupation {n} (act, process or state of possessing a place)  :: ocupación {f}
occupation {n} (control of a country or region by a hostile army)  :: ocupación {f}
occupation {n} /ɑkjuːpeɪʃən/ (activity or task with which one occupies oneself)  :: ocupación {f}
occupational hazard {n} (an unpleasant, inconvenient, or unusual circumstance which occurs or is likely to occur during the course of one's employment)  :: gajes del oficio {m-p}
occupational safety and health {n} (activity to promote safety in workplace)  :: seguridad y salud en el trabajo {f}
occupied {adj} (busy)  :: ocupado
occupied {adj} (militarily subjugated)  :: ocupado
occupied {adj} (reserved)  :: reservado
occupy {v} (time or space)  :: ocupar
occur {v} /əˈkɝ/ (take place)  :: ocurrir
occur {v} (meet or come to the mind)  :: ocurrir, [Chile, informal] tincar
occur {v} (present itself)  :: presentar [pronominal]
occurrence {n} /əˈkɝəns/ (actual instance where a situation arises)  :: acontecimiento {m}
ocean {n} /ˈoʊ.ʃən/ (one of the five large bodies of water)  :: océano {m}
Oceania {prop} /-ˈæn(i)ə/ (a geographical region composed of many islands)  :: Oceanía {f}
Oceanian {adj} (from Oceania)  :: oceánico
Oceanian {n} (someone from Oceania)  :: oceánico {m}
oceanic {adj} (of or relating to the ocean)  :: oceánico
oceanic whitetip shark {n} (Carcharhinus longimanus)  :: tiburón oceánico {m}, tiburón oceánico de puntas blancas {m}
oceanographer {n} /ˌoʃəˈnɑɡrəfər/ (person who studies oceanography, the science of oceans)  :: oceanógrafo {m}, oceanógrafa {f}
oceanographic {adj} /ˌoʃənəˈɡræfɪk/ (relating to oceanography)  :: oceanográfico {m}, oceanográfica {f}
oceanographical {adj} (oceanographical) SEE: oceanographic  ::
oceanography {n} (oceanic exploration and study)  :: oceanografía {f}, oceanología {f}
oceanology {n} (oceanography) SEE: oceanography  ::
ocellus {n} (simple eyes consisting of a single lens)  :: ocelo {m}
ocelot {n} /ˈɑːsəlɑːt/ (feline carnivore)  :: [especially Mexico, formal in other countries] ocelote {m}, [Colombian Llanos, Venezuela] cunaguaro {m}, [Argentina, Paraguay] gato onza {m}, [Panama, Costa Rica] manigordo {m}, [Bolivia] tigrecillo {m}, [Colombia, Ecuador, El Salvador, Guatemala, Honduras, Nicaragua, Peru] tigrillo {m}
ochlocracy {n} /ɑkˈlɑkɹəsi/ (government by the masses )  :: oclocracia {f}
ochre {adj} (having yellow-orange colour)  :: ocre
ochre {n} /ˈoʊkɚ/ (yellowish-orange colour)  :: ocre
o'clock {adv} /əˈklɑːk/ (indication of time The translations below are of "one o’clock")  :: la una, la una en punto
o'clock {adv} (The translations below are of "at one o’clock")  :: a la una {f}, a la una en punto
octagenarian {n} (octogenarian) SEE: octogenarian  ::
octagon {n} (polygon with eight sides and eight angles)  :: octágono {m}
octagonal {adj} /ɑkˈtæɡ.ə.n(ə)l/ (shaped like an octagon)  :: octagonal, octogonal
octahedral {adj} (having eight plane surfaces)  :: octaédrico
octahedral {adj} (of, or pertaining to octahedra)  :: octaédrico
octahedron {n} (a polyhedron with eight faces)  :: octaedro {m}
octane {n} /ˈɒk.teɪn/ (isomeric aliphatic hydrocarbons)  :: octano {m}
octangular {adj} /ɑkˈtæŋ.ɡjə.lə(ɹ)/ (octagonal) SEE: octagonal  ::
Octans {prop} (a circumpolar constellation)  :: Octans
octave {n} /ˈɑktɪv/ (interval)  :: octava {f}
octet {n} (byte of eight bits) SEE: byte  ::
octet {n} (group of eight musicians performing together)  :: octeto {m}
octet {n} (group of eight)  :: octeto {m}
October {prop} /ɑkˈtoʊbəɹ/ (tenth month of the Gregorian calendar)  :: octubre {m}
octogenarian {n} (One who is between the age of 80 and 89, inclusive)  :: octogenario {m}, octogenaria {f}
octopus {n} /ˈɑːkt.ə.pʊs/ (mollusc)  :: pulpo {m}
octosyllabic {adj} /ˌɑk.toʊ.sɪˈlæb.ɪk/ (containing 8 syllables)  :: octosílabo, octosilábico
octothorpe {n} /ˈɑːktoʊθɔːrp/ (octothorpe) SEE: hash  ::
ocular {adj} /ˈɑ.kjə.lɚ/ (of or relating to the eye)  :: ocular
ocularly {adv} /ˈɑ.kjə.lɚ.li/ (by means of the eye)  :: ocularmente
oculist {n} /ˈɑkjəlɪst/ (ophthalmologist) SEE: ophthalmologist  ::
oculist {n} (optometrist) SEE: optometrist  ::
odalisque {n} /ˈoʊdlɪsk/ (a female harem slave)  :: odalisca {f}
odd {adj} (about)  :: aproximadamente
odd {adj} /ɑd/ (not having a mate)  :: guacho, desparejado, desemparejado
odd {adj} (not divisible by two)  :: impar
odd {adj} (strange)  :: extraño, raro
oddity {n} (strangeness)  :: rareza {f}
odds {n} (the ratio of the probabilities of an event happening to that of it not happening)  :: probabilidad {f}
ode {n} (a short poetical composition)  :: oda {f}
Odesa {prop} (Odessa) SEE: Odessa  ::
Odessa {prop} (Ukrainian city)  :: Odesa
Odia {prop} (Oriya) SEE: Oriya  ::
Odin {prop} /ˈəʊɾ̃ⁿ/ (in Norse mythology, the supreme god)  :: Odín
odious {adj} /ˈoʊ.di.əs/ (arousing strong dislike)  :: odioso {m}, odiosa {f}
Odisha {prop} (state in India)  :: Orissa
odometer {n} /oʊˈdɑːmətɚ/ ( instrument attached to the wheel)  :: odómetro {m}, cuentakilómetros {m}
odontology {n} (study of teeth)  :: odontología {f}
odor {n} /ˈoʊ.dɚ/ (any smell) SEE: odour  ::
odoriferous {adj} (having an odor) SEE: odorous  ::
odorous {adj} (having distinctive odour)  :: odorífero {m}
odour {n} /ˈoʊdəɹ/ (Any smell, whether fragrant or offensive; scent; perfume)  :: olor {m}
odourless {adj} /əʊdələs/ (odourless) SEE: odorless  ::
Odysseus {prop} /əˈdɪsjuːs/ (son of Laertes; Greek leader during the Trojan War)  :: Odiseo {m}, Ulises {m}
Odyssey {prop} /ˈɒ.də.si/ (epic poem describing the journey of Odysseus)  :: Odisea {f}
oedema {n} (edema) SEE: edema  ::
Oedipal {adj} /ˈidəpɛl/ (of or relating to the Oedipus complex)  :: edípico
Oedipus {prop} /ˈɛdəpəs/ (son of Laius and Jocasta)  :: Edipo {m}
Oedipus complex {n} /ˈɛdəpəs ˈkɒmplɛks/ (Freudian theory)  :: complejo de Edipo {m}
oeillade {n} /əːˈjɑːd/ (glance, ogle)  :: mirada lujuriosa {f}
oenology {n} /iˈnɑlədʒi/ (enology) SEE: enology  ::
oesophageal {adj} (of or pertaining to the oesophagus)  :: esofágico
oesophagus {n} /ɪˈsɑfəɡəs/ (the tube that carries food from the pharynx to the stomach)  :: esófago {m}
oestrus {n} /ˈiːstɹəs/ (A female animal's readiness to mate)  :: estro {m}
of {prep} (connecting numeral or quantifier with quantified)  :: de
of {prep} (containing, comprising or made from)  :: de
of {prep} (indicative of age)  :: de
of {prep} (introducing subject matter)  :: de
of {prep} (objective genitive: connecting noun with object)  :: de
of {prep} (possessive genitive: belonging to)  :: de
of {prep} /ʌv/ ((time) before, to)  :: menos
of age {adj} (old enough to be considered an adult)  :: mayor de edad
of course {adv} (naturally)  :: por supuesto, desde luego, claro
off {adj}  :: cerrado {m}, cerrada {f}, apagado {m}, apagada {f}
off {adj} /ɔf/ (inoperative, disabled)  :: apagado {m}
off {prep} (from)  :: de
offal {n} /ˈɔfl̩/ (a dead body)  :: cadáver {m}
off course {adv} (not following the planned route)  :: fuera de curso
offence {n} (offense) SEE: offense  ::
offend {v} /əˈfɛnd/ (sin) SEE: sin  ::
offend {v}  :: ofender
offensive {adj} /ˈɔˌfɛnsɪv/ (causing offense)  :: ofensivo {m}, ofensiva {f}
offensive {adj} (relating to attack, offense)  :: ofensiva {f}
offensive {adj} (team sports: having to do with play directed at scoring)  :: ofensivo, ofensiva {f}
offensive {n} (an attack)  :: ofensiva {f}
offer {n} /ˈɔfɚ/ (proposal)  :: oferta {f}
offer {v}  :: ofrecer, oferta, ofrecimiento, presentar
offer {v} (propose)  :: ofrecer
offering {n} (act of offering)  :: ofrecimiento {m}
offering {n} (that which has been offered; a sacrifice)  :: ofrecimiento {m}
offhand {adj} (careless)  :: descuidado
offhand {adj} (curt, unfriendly)  :: frío
offhand {adj} /ˌɔfˈhænd/ (without planning or thinking ahead)  :: indiferente
office {n} (administrative unit)  :: oficina {f}
office {n} /ˈɔfɪs/ (building or room)  :: oficina {f}
officeholder {n} (person who holds an office)  :: funcionario {m}
officer {n} /ˈɑfəsəɹ/  :: oficial {m}
office worker {n} (Someone who works in an office)  :: oficinista {m} {f}
official {adj} (appointed to be used in medicine) SEE: officinal  ::
official {adj} (relating to an office; especially, to a subordinate executive officer or attendant)  :: oficial
official {n} (office holder invested with powers and authorities)  :: funcionario {m}
officialese {n} /əfɪʃəˈliːz/ (bureaucratese) SEE: bureaucratese  ::
officially {adv} (in an official manner)  :: oficialmente
officiate {v} /əˈfiʃ.i.eɪt/ (to perform the functions of some office)  :: oficiar
officious {adj} (offensively intrusive or interfering)  :: entrometido, inoportuno
off-licence {n} (liquor store) SEE: liquor store  ::
offline {adj} (of a system, not connected to a larger network)  :: offline
offload {v} /ˌɑfˈloʊd/ (to unload)  :: descargar, desembarcar
offload {v} ( to get rid of things)  :: librarse
offset {n} (compensating equivalent)  :: ajuste, descuento, compensación, reducción
offset {n} (difference in memory addresses)  :: desplazamiento
offset {n} (offset printing)  :: impresión Offset
offset {v} (to compensate for something)  :: compensar
offshoot {n} (that which shoots off from a main stem)  :: rama {f}, ramal {m}, ramificación {f}; derivado {m}
offshore {adj} (located in another country)  :: extranjero
offshore {adj} (located in the sea away from the coast)  :: mar adentro, ultramar
offshore {adj} (moving away from the shore)  :: alejándose de la costa
offshore {adv} (at some distance from the shore)  :: lejos de la costa
offshore {adv} (away from the shore)  :: alejado de la costa
offshore {v} (to use foreign labour to substitute for local labour)  :: mandar trabajos a otros países, exportar trabajos al extranjero
offspring {n} /ˈɑfsprɪŋ/ (plural or collective offspring, animal's or plant's progeny)  :: progenie {f}
off-the-shelf {adj} (as purchased or as commonly available)  :: disponible en estantes {n}
off-topic {adj} (not related to the matter being discussed)  :: fuera de tema
off-white {adj} (of a very pale colour that is almost white)  :: blanco apagado {m}, blanco roto {m}
off-white {n} (very pale colour that is almost white)  :: blanco apagado {m}, blanco roto {m}
of late {adv} (recently)  :: últimamente, recientemente
of record {prep} (authoritative) SEE: authoritative  ::
often {adv} /ˈɔfn̩/ (frequently, many times)  :: a menudo, frecuentemente, seguido
oftenly {adv} /ˈɒfn.li/ (often) SEE: often  ::
Oghuz {prop} (Oghuz people)  :: oğuz
ogonek {n} /ˈoʊɡənɛk/ (diacritical mark)  :: ogonek
ogre {n} /ˈoʊ.ɡɚ/ (brutish giant)  :: ogro {m}
ogress {n} /ˈoʊɡrəs/ (female ogre)  :: orca {f}
oh {interj} /oʊ/ (expression of surprise)  :: oh
OHIM {prop} /ˈoʊhɪm/ (Office for Harmonization in the Internal Market)  :: OAMI
Ohio {prop} /oʊˈhaɪoʊ/ (U.S. state)  :: Ohio {m}
Ohio {prop} (river)  :: Ohio {m}
ohm {n} /oʊm/ (the derived unit of electrical resistance)  :: ohmio {m}
Ohm's law {n} (Ohm's observation)  :: ley de Ohm {f}
oh my {interj} (good heavens) SEE: good heavens  ::
oh my God {interj} (excitement or shock)  :: Dios mío, oh, Dios mío
oh my Goddess {interj} (interjection said in excitement)  :: Diosa (mia)!
oh no {interj} (exclamation of alarm or concern)  :: uy no, ay no, ca
-oic {suffix} (carboxylic groups and acids)  :: -oico
oil {n} /ɔɪl/ (liquid fat)  :: aceite {m}, óleo {m}
oil {n} (Petroleum-based liquid)  :: petróleo {m}
oil {v} (lubricate with oil)  :: aceitar
oil {v} (to grease with oil for cooking)  :: engrasar
oilcan {n} (container)  :: aceitera {f}
oil lamp {n} (a simple vessel used to produce light)  :: candil {m}
oil palm {n} (Palm family of trees)  :: palma aceitera {f}
oil rig {n} (oil-drilling platform)  :: plataforma petrolera {f}
oil-seed camellia {n} (Camellia oleifera) SEE: tea oil camellia  ::
oilskin {n} /ˈɔɪl.skɪn/ (cloth made from cotton treated to make it waterproof)  :: hule {m}
oil well {n} (hole drilled into the earth from which petroleum is pumped)  :: pozo {m}
oink {interj} /ɔɪŋk/ (Representing the sound made by a pig)  :: gruñido {m}, ronco {m}
ointment {n} /ˈɔɪnt.mɪnt/ (viscous preparation)  :: pomada {f}, ungüento {m}
Ojibwe {n} (member of Ojibwe people)  :: ojibwa {m} {f}
Ojibwe {prop} /əˈdʒɪbweɪ/ (language)  :: idioma ojibwa {f}
OK {adj} (all right, permitted)  :: bien
OK {adj} (in good health or in a good emotional state)  :: bien
OK {adj} (satisfactory)  :: aceptable, bueno, bien
OK {interj} (acknowledgement or acceptance)  :: vale, de acuerdo
OK {n} /oʊkeɪ/ (endorsement; approval)  :: aprobación, visto bueno, okey
okapi {n} /əʊˈkɑːpi/ (Large ruminant mammal)  :: okapi {m}, ocapi {m}
Okinawan {prop} (Ryukyuan) SEE: Ryukyuan  ::
Oklahoma {prop} /ˌoʊk.ləˈhoʊ.mə/ (state)  :: Oklahoma {f}
okra {n} (Abelmoschus esculentus)  :: okra {f}, chaucha turca {f} [Argentina], chimbombó {m} [Eastern Venezuela], guingambó {m} [Puerto Rico], molondrón {m} [Dominican Republic], ñajú {m} [Panama], quimbombó {m} [Cuba, Venezuela], quingombó {m} [Puerto Rico]
okroshka {n} /əˈkrɔʃkə/ (cold raw vegetable soup)  :: okroshka {f}
Olaf {prop} (male given name)  :: Olavo
olallieberry {n} (hybrid berry)  :: olallieberry {f}, oleyliberi {f}, zarza de olallie {f}, zarza olalia {f}, olalia {f}
old {adj} (former)  :: viejo [used before the noun], sometimes with people ex-
old {adj} (having existed or lived for the specified time)  :: de + period, que + (tener) + (period) + (unit of time); (e.g., I know his five-year-old daughter = Conozco a su hija que tiene cinco años)
old {adj} (of a living being: having lived for relatively many years)  :: anciano, viejo
old {adj} /oʊld/ (of an object, concept, etc: having existed for a relatively long period of time)  :: antiguo, viejo
old age {n} (latter part of life)  :: vejez {f}, tercera edad {f}
old boy {n} (alumnus) SEE: alumnus  ::
Old Catholic {adj} (pertaining to a group of churches that split from the Roman Catholic Church)  :: católico antiguo
Old Church Slavonic {prop} (the first literary and liturgical Slavic language)  :: antiguo eslavo eclesiástico {m}
Old East Slavic {prop} (language)  :: antiguo eslavo oriental {m}, antiguo ruso {m}
Old English {prop} (ancestor language of modern English)  :: inglés antiguo {m}
Old English Sheepdog {n} (a breed of herding dog)  :: antiguo pastor inglés {m}
older adult {n} (old person)  :: adulto mayor {m}
old fart {n} (pejorative: elderly person)  :: carroza
old-fashioned {adj} (outdated or no longer in vogue)  :: pasado de moda, anticuado, chapado a la antigua {m}
old-fashioned {adj}  :: pasado de moda
Old French {prop} (French language from 9th to the early 14th century)  :: francés antiguo {m}
Old High German {prop} (a language)  :: antiguo alto alemán {m}
Old Irish {prop} (language)  :: irlandés antiguo {m}
Old Low German {prop} (Old Saxon) SEE: Old Saxon  ::
old maid {n} (elderly unmarried woman) SEE: spinster  ::
old man {n} (elderly man)  :: viejo {m}
Old Norse {prop} (language of Scandinavia before 1400 CE)  :: nórdico antiguo {m}
old salt {n} (seadog) SEE: seadog  ::
Old Slavonic {prop} (Common Slavonic)  :: protoeslavo {m}
Old Spanish {prop} (the Old Spanish language)  :: español medieval, castellano medieval, español antiguo, castellano antiguo
old stick {n} (chap) SEE: chap  ::
Old Testament {prop} (first half of the Christian Bible)  :: Antiguo Testamento {m}
Old World {prop} (The Eastern Hemisphere, especially Europe and the Near East)  :: Viejo Mundo {m}
oleander {n} /ˌəʊlɪˈændə/ (A poisonous shrub)  :: adelfa {f}
olecranon {n} /oʊˈlɛkɹəˌnɑn/ (bony process)  :: olécranon {m}
oleic acid {n} (fatty acid with 18 carbon atoms and one double bond, found in olive oil)  :: ácido oleico {m}
Olenekian {prop} (subdivision of the Triassic period)  :: Olenekiense
olfaction {n} (the sense of smell)  :: olfato {m}
olfactory {adj} /oʊlˈfæk.tər.i/ (concerning the sense of smell)  :: olfativo, olfatorio
Olga {prop} (female given name)  :: Olga
oligarch {n} /ˈoʊlɪˌɡɑrk/ (a member of an oligarchy)  :: oligarca {m}
oligarchic {adj} (of or pertaining to oligarchy)  :: oligárquico
oligarchy {n} /ˈɑːlɪˌɡɑrki/ (Government by only a few)  :: oligarquía {f}
oligarchy {n} (Those who make up an oligarchic government)  :: oligarquía {f}
oligomer {n} /əˈlɪ.ɡə.mər/ (compound intermediate between a monomer and a polymer)  :: oligómero {m}
oligopolistic {adj} (having the character of an oligopoly)  :: oligopolístico
oligosaccharide {n} (polysaccharide of low molecular weight)  :: oligosacárido {m}
olingo {n} (small procyonid)  :: olingo {m}
olinguito {n} /oʊlɪŋˈɡitoʊ/ (mammal)  :: olinguito {m}
olive {adj} (colour)  :: verde aceituna
olive {n} (colour)  :: verde oliva, aceitunado {m}
olive {n} (fruit)  :: aceituna {f}, oliva {f}
olive {n} /ˈɒlɪv/ (olive tree) SEE: olive tree  ::
olive {n} (wood)  :: olivo {m}
olive grove {n} (cluster of olive trees)  :: olivar {m}
olive oil {n} (oil pressed from olives)  :: aceite de oliva {m}
Oliver {prop} (male given name)  :: Oliverio {m}, Oliver {m}
olive tree {n} (tree that produces olives)  :: olivo {m}
Olivia {prop} (female given name)  :: Olivia
olivine {n} /ˈɒlɪviːn/ (family of minerals forming orthorhombic crystals)  :: olivino
Olmec {n} (member of an ancient pre-Columbian people)  :: olmeca {m} {f}
-ologist {suffix} (alternative spelling of -logist, one who studies a subject)  :: -ólogo {m}, -óloga {f} (except for ecologista)
olorine {adj} /ˈɒləɹaɪn/ (of or pertaining to swans) SEE: cygnine  ::
Oltenia {prop} /oʊlˈtɛniə/ (Oltenia)  :: Oltenia {f}
OLTP {acronym} (transactions)  :: OLTP {f}
Olympia {prop} (ancient city in Greece)  :: Olimpia
Olympiad {n} /əˈlɪmpiæd/ (period of four years)  :: olimpíada {f}
Olympian {n} /əˈlɪm.pi.ən/ (athlete)  :: olímpico {m}
Olympic {adj} /oʊˈlɪm.pɪk/ (of or pertaining to the Olympic Games)  :: olímpico
Olympic Games {prop} (modern sport event)  :: Juegos Olímpicos {m-p}
Olympics {prop} (sport event)  :: Olímpico {m-p}
Olympic Winter Games {prop} (Olympic Winter Games)  :: Juegos Olímpicos de Invierno
Olympus {prop} /əˈlɪmpəs/ (mountain)  :: Olimpo {m}
-oma {suffix} (suffix forming nouns indicating tumors or masses)  :: -oma
Oman {prop} (Country in the Middle East)  :: Omán
Omani {adj} (Of, from, or pertaining to Oman, the Omani people or the Omani language)  :: omaní {m}
Omani {n} (person from Oman or of Omani descent)  :: omaní {m}
ombudsman {n} /ˈɒmbədzmən/ (official who investigates complaints)  :: defensor del pueblo {m}
omega {n} (angular velocity) SEE: angular velocity  ::
omega {n} /ˌoʊˈmeɪɡə/ (letter of the Greek alphabet)  :: omega {f}
omelette {n} /ˈɑm.ə.lɪt/ (dish made with beaten eggs)  :: tortilla {f} [Spain], tortilla de huevos
omen {n} /ˈoʊmən/ (something which portends or is perceived to portend a good or evil event or circumstance in the future; an augury or foreboding)  :: presagio {m}
omiai {n} (formal marriage interview) SEE: miai  ::
omicron {n} /'ɒm.ɪ.krɒn/ (Greek letter)  :: ómicron {f}
ominous {adj} (giving indication of a coming ill)  :: ominoso {m}, ominosa {f}
ominous {adj} (of or pertaining to an omen or to omens; being or exhibiting an omen)  :: ominoso, siniestro
omissible {adj} (able to be omitted)  :: omisible
omission {n} (something deleted or left out)  :: omisión {f}
omission {n} (something not done or neglected)  :: omisión {f}
omission {n} (the act of neglecting to perform an action one has an obligation to do)  :: omisión {f}
omission {n} (the act of omitting)  :: omisión {f}
omit {v} (to leave out or exclude)  :: omitir, dejar de lado
omnibus {n} (book)  :: compilación {f}
omnibus {n} /ˈɒmniˌbʌs/ (vehicle)  :: autobús {m}
omnipotence {n} (unlimited power)  :: omnipotencia {f}
omnipotent {adj} /ɒmˈnɪpətənt/ (having unlimited power, force or authority)  :: omnipotente
omnipresence {n} (the ability to be at all places at the same time)  :: omnipresencia {f}
omnipresent {adj} (being everywhere)  :: omnipresente
omniscience {n} /ɑmˈnɪʃəns/ (capacity to know everything)  :: omnisciencia {f}
omniscient {adj} /ɑmˈnɪʃənt/ (having total knowledge)  :: omniscio, omnisciente
omnitheism {n} (The belief that all religions contain a core recognition of the same God)  :: omniteísmo {m}
omnium-gatherum {n} (collection of miscellaneous things) SEE: hodgepodge  ::
omnivore {n} (animal eating both plants and meat)  :: omnívoro {m}
omnivorous {adj} (having the ability to eat both animal and vegetable food)  :: omnívoro
Omsk {prop} (large city in Russia)  :: Omsk {m}
on {adj} /ɔn/ (in the state of being active, functioning or operating)  :: encendido, conectado
on {prep} (covering)  :: en, sobre
on {prep}  :: de
on {prep} (dealing with the subject of)  :: sobre
on {prep} (positioned at the upper surface of)  :: en, sobre
on {prep} (touching; hanging from)  :: en, sobre
on accident {adv} (by accident) SEE: by accident  ::
onager {n} (military engine)  :: onagro {m}
onager {n} /ˈɒnədʒə/ (wild ass)  :: onagro {m}
on air {prep} (transmitting live)  :: al aire {m} {f}
on all fours {adv} (on hands and knees)  :: a cuatro patas
on base {prep} (baseball)  :: en base
on behalf of {prep} (speaking or acting for)  :: en nombre de, de parte de
on board {adv} (aboard) SEE: aboard  ::
onboard {adv} (on a vehicle) SEE: on board  ::
on call {prep} (when requested)  :: de guardia
once {adv} (formerly)  :: antiguamente, anteriormente
once {adv} /wʌn(t)s/ (one and only one time)  :: una vez
once {conj} (as soon as)  :: tan pronto como, una vez que
once again {adv} (one more time)  :: una vez más
once and for all {adv} (Finally, permanently, conclusively)  :: de una vez para siempre
once bitten, twice shy {proverb} (one is cautious in the future if hurt in the past)  :: gato escaldado del agua fría huye
once in a blue moon {adv} (very rarely)  :: cada muerte de obispo
once in a while {adv} (occasionally)  :: de vez en cuando
once upon a time {adv} /ˈwʌns.əˈpɒn.əˈtaɪ̯m/ (traditional beginning of children’s stories, especially fairy tales)  :: érase una vez, había una vez, era una vez
oncilla {n} (Leopardus tigrinus)  :: leopardo tigre {m}, gato manchado {m}, tigrillo {m}, tigrina {f}
oncologic {adj} /ˌɒŋkəˈlɒdʒɪk/ (of or pertaining to oncology)  :: oncológico
oncological {adj} /ˌɒŋkəˈlɒdʒɪkəɫ/ (of or pertaining to oncology) SEE: oncologic  ::
oncologist {n} /ɒŋˈkɒlədʒɪst/ (one who specialises in oncology)  :: oncólogo {m}
oncology {n} /ɒŋˈkɒlədʒi/ (branch of medicine)  :: oncología {f}
on demand {prep} (when needed or required)  :: al pedido, al llamado
on duty {prep} (actively engaged...)  :: de guardia
one {adj} (a single, unspecified thing)  :: un
one {adj} (of a period of time)  :: un
one {adj} (sole, only)  :: único
one {n} (digit or figure)  :: uno {m}
one {num} (ordinal number) SEE: first and number one  ::
one {num} /wʌn/ (cardinal number 1)  :: uno
one {pron} (impersonal pronoun)  :: uno {m}, una {f}
one {pron} (indefinite personal pronoun)  :: uno, se
one {pron}  :: uno, alguien, expressed by nominalization when following an adjective
one and a half {num} (one and a half)  :: uno y medio
one-armed bandit {n} (gaming machine)  :: tragamonedas {m}
one at a time {adv} (individually)  :: uno por vez, una por vez
one by one {adv} (individually)  :: uno por uno
one day {adv} (at unspecified time in the future)  :: algún día
one-eyed {adj} (having only a single eye)  :: tuerto
one fell swoop {n} (one stroke; one action or event with many results)  :: de repente
one for all, all for one {phrase} /wʌn fɔɹ ɔːl ɔːl fɔɹ wʌn/ (motto: working for each other)  :: uno para todos, todos para uno
one for the road {n} (a final drink before one leaves)  :: la caminera {f}
one-handed {adj} (having only one hand)  :: manco {m}
one hundred and four {num} (number 104)  :: ciento cuatro
one hundred and one {num} (one hundred plus one)  :: ciento uno
one hundred million {num} (number 100,000,000)  :: cien millones
one hundred one {num} (101)  :: ciento uno
oneiric {adj} /oʊ.ˈnaɪ.ɹɪk/ (of or pertaining to dreams)  :: onírico
oneirologist {n} (one who is skilled, professes or practices of what relates with dreams)  :: oneirologista {f}, oneirologisto {m}
oneirology {n} (the study that relates with dreams)  :: oneirologia {f}
one million {num} (cardinal number 1000000) SEE: million  ::
on end {adv} (upright, erect, endways)  :: de canto
oneness {n} (state of being undivided)  :: unidad {f}
one-night stand {n} (sexual encounter)  :: cama de una noche {f}
one-night stand {n} (theatrical)  :: representación única {f}
one o'clock {n} (the start of the second hour)  :: la una
one-of-a-kind {n} (one of a kind) SEE: one of a kind  ::
onerous {adj} /ˈəʊn.ɜː(ɹ).ʌs/ (burdensome)  :: oneroso
one's {pron} /wʌns/ (belonging to)  :: su {m}, suyo {m}, suya {f}, sus {m-p}, suyos {m-p}, suyas {f-p}
one's bark is worse than one's bite {phrase} (acts in a threatening way but is relatively harmless)  :: perro ladrador, poco mordedorperro que ladra no muerde
one's days are numbered {phrase} (some period of time is coming to an end)  :: tener los días contados
oneself {pron} /wʌnˈsɛlf/ (The person, previously mentioned)  :: sí mismo, uno mismo
one-sided {adj} (partial or biased in favour of one faction)  :: partidista {m}
one's marbles {n} (sanity) SEE: sanity  ::
one swallow does not a summer make {proverb} (one instance of an event does not necessarily indicate a trend)  :: una sola golondrina no hace el verano {f}
one thousand {num} (cardinal number 1000) SEE: thousand  ::
one too many {n} (other than as an idiom) SEE: one, too, many  ::
one-upmanship {n} (art or practice of outdoing an opponent)  :: una superioridad
one-way mirror {n} (mirror that is transparent on one side)  :: espejo simulado {m}
one way or another {adv} (somehow, but certainly)  :: de un modo u otro
one-way street {n} (road in which traffic is only allowed to proceed in one direction)  :: calle de un solo sentido {f}, calle de mano única {f} [Argentina], flecha {f} [Venezuela, colloquial]
one-way ticket {n} (a ticket granting permission to travel to a place but not back)  :: billete sencillo {m}
on fire {prep} (being burned by fire)  :: en fuego
on fire {prep} (idiomatic)  :: en fuego
on foot {prep} (walking, jogging, running)  :: a pie
on heat {adj} (in estrus)  :: caliente, en celo
oniomania {n} /əʊnɪə(ʊ)ˈmeɪnɪə/ (an abnormal impulse to buy things)  :: oniomanía, compra compulsiva
onion {n} /ˈʌnjən/ (a monocotyledonous plant of genus Allium allied to garlic, used as vegetable and spice.)  :: cebolla {f}
onion dome {n} (onion-shaped dome)  :: cúpula acebollada {f}
onion ring {n} (food)  :: aro de cebolla {m}
onionskin {n} (paper)  :: papel cebolla {m}
online {adj}  :: en línea
online {adj} /ˈɒnˌlaɪn/ (connected to the Internet)  :: en línea
only {adj} /ˈoʊn.li/ (alone in a category)  :: único
only {adj} (singularly superior; the best)  :: único
only {adj} (without sibling)  :: único, hijo único {m} [noun]
only {adv} (as recently as)  :: apenas, solo
only {adv} (exclusively)  :: sólo, solamente
only {adv} (no more than)  :: solo, únicamente, solamente
only {conj}  :: pero, ojalá
only child {n} (a person who has no siblings)  :: hijo único {m}, hija única {f}
onomasiology {n} (branch of lexicology)  :: onomasiología {f}
onomastics {n} /ˌɑː.noʊˈmæs.tɪks/ (branch of lexicology devoted to the study of names)  :: onomástica {f}
onomatopoeia {n} /ˌɑːnəˌmætəˈpiə/ (property of a word of sounding like what it represents)  :: onomatopeya {f}
onomatopoeia {n} (word that sounds like what it represents)  :: onomatopeya
onomatopoeic {adj} (having the property of onomatopoeia)  :: onomatopéyico {m}
onomatopoeic {adj} /ˌɒnəmatəˈpiːɪk/ (of or relating to onomatopoeia)  :: onomatopéyico
onomatopoetic {adj} (concerning onomatopoeia) SEE: onomatopoeic  ::
on one's own {adv} (alone; by oneself; without the companionship or assistance of others)  :: por sí mismo, por sí solo, por su cuenta, por su propia cuenta, solo
on purpose {prep} (purposely, with intention)  :: adrede, a propósito, intencionalmente
onry {adj} /ɔːnɹi/ (ornery) SEE: ornery  ::
on sale {prep} (available for purchase at reduced prices)  :: en barata
on sale {prep}  :: en oferta, en venta
onset {n} /ˈɔnˌsɛt/ (rushing or setting upon)  :: comienza
on-site {adj} (taking place at a site)  :: in situ
onslaught {n}  :: asalto
onslaught {n} (fierce attack)  :: ataque furioso {m}, embestida violenta {f}
onslaughter {n} (onslaught) SEE: onslaught  ::
Ontario {prop} /ˌɒnˈtɑːɹ.i.əʊ/ (Lake between Ontario province and New York State)  :: Ontario {m}
Ontario {prop} (Province in eastern Canada)  :: Ontario {m}
on the air {prep}  :: al aire
on the alert {adj} (very attentive, or vigilant)  :: sobre aviso
on the contrary {adv} (opposite)  :: al contrario, por el contrario
on the dot {adv} (exactly)  :: exactamente, en punto
on the edge of one's seat {prep} (in suspense)  :: al borde del asiento
on the line {adj} (at risk)  :: en juego
on the one hand {adv} (from one point of view)  :: por un lado
on the other hand {adv} (from another point of view)  :: por otro lado
on the same wavelength {adv} (in rapport)  :: en la misma onda
on the street {adv} (without a home)  :: en la calle, sin techo, desamparado, desalojado
on the tip of one's tongue {prep} (known but not quite remembered)  :: en la punta de la lengua
on the up-and-up {adj} (legitimate)  :: [estar de] arribista {m}
on the warpath {adj} (very angry or upset)  :: en pie de guerra
on the way {adj} (coming)  :: en ruta, en camino, en el camino
on the whole {adv} (for the most part)  :: en general
on time {adv} (punctually)  :: a tiempo
onto {adj} (surjective) SEE: surjective  ::
ontogenetic {adj} (of or relating to ontogenesis)  :: ontogenetico
ontogenic {adj} (ontogenetic) SEE: ontogenetic  ::
ontogeny {n} /ɒnˈtɒdʒəni/ (development of an individual organism)  :: ontogenia {f}
ontological {adj} (of, or relating to, ontology)  :: ontológico {m}
ontology {n} (study of being)  :: ontología {f}
on top of {prep} (atop) SEE: atop  ::
onus {n} /ˈoʊnəs/ (legal obligation)  :: obligación {f}
onus probandi {n} (duty of a party in a legal proceeding)  :: carga de la prueba {f}
onward {adv} (In a forward direction)  :: para adelante
on your mark, get set, go {phrase} (three-command start of racing)  :: ¡en sus marcas, listos, fuera!, preparados, listos, ¡ya!
onyx {n} /ˈɔnɪks/ (a banded variety of chalcedony)  :: ónix {f}, ónice {f}, ónique {f}
oofless {adj} (poor) SEE: poor  ::
ooh {interj} /uː/ (expressing awe)  :: uy
oolite {n} /ˈəʊəlʌɪt/ (geology: rock of spherical grains)  :: oolito {m}
oolong {n} (oolong tea) SEE: oolong tea  ::
Oompa Loompa {n} /ʊumpəlʊumpə/  :: umpa lumpa {m-p}, umpa lumpi {m-p}
oomph {n} /ʊmf/  :: garra {f}, marcha {f} [Spain]
oops {interj}  :: ups
oops {interj} /uːps/ (acknowledging a minor mistake)  :: ops
oops {interj} (used sarcastically to acknowledge a major mistake)  :: oh oh
Oort Cloud {prop} (cloud of comets)  :: nube de Oort {f}
ootheca {n} /əʊəˈθiːkə/ (egg case of orthopteroid insects)  :: ooteca {f}
ooze {v} /uːz/ (to secrete or slowly leak)  :: exudar, segregar, rezumar
opacity {n} /oʊˈpæsɪti/ (the state of being opaque)  :: opacidad {f}
opal {n} /ˈoʊpəl/ (a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)  :: ópalo {m}
opaque {adj} /oʊˈpeɪk/ (hindering light to pass through)  :: opaco {m}
open {adj} (computing: in current use)  :: abierto {m}
open {adj} (math: which is part of a predefined collection of subsets)  :: abierto {m}
open {adj} /ˈoʊ.pən/ (not closed)  :: abierto {m}
open {adj} (prepared to conduct business)  :: abierto
open {adj} (receptive)  :: abierto {m}
open {n} (sports event)  :: open {m}
open {v} (to become open)  :: abrir
open {v} (to make accessible to customers)  :: abrir
open {v} (to make something accessible)  :: abrir
open-air {adj} (taking place outdoors)  :: al aire libre
open book {n} (mathematics) SEE: open book decomposition  ::
open book {n} (person naively honest or open)  :: libro abierto
open book {n} (thing easily interpreted)  :: libro abierto
open-ended {adj} (adaptable to change)  :: abierto
open-ended {adj} (permitting unstructured esponse)  :: abierto
open-ended {adj} (unrestricted by definite limits)  :: abierto
open-end fund {n} (collective investment)  :: fondo mutuo abierto {m}
opener {n} /ˈəʊpənə/ (device that opens something)  :: abridor {m}
opener {n} (first act in a variety show)  :: primer acto {m}
open fire {v} (to begin firing at something or someone)  :: abrir fuego
open house {n} (event where a facility or institution is open to the public for inspection or tour)  :: jornada de puertas abiertas {f}
opening {n}  :: apertura {f}
openly {adv} (in an open manner, visibly, not covertly)  :: abiertamente
open-minded {adj} (formal)  :: abierto de mente {m}, abierto
open-pit mine {n} (mine with an open pit or burrow)  :: mina a tajo abierto {f}
open sea {n} (part of the sea)  :: alta mar {f}, mar ancha {f}, piélago {m}
open secret {n} (widely known fact not mentioned)  :: secreto a voces {m}
open sesame {interj} (Open up)  :: ábrete sésamo
opera {n} /ˈɑ.pəɹ.ə/ (theatrical work)  :: ópera {f}
opera glasses {n} (small binoculars)  :: aclínico {m}
opera house {n} (theatre for opera)  :: teatro de ópera {m}
operate {v} (medicine)  :: operar
operate {v} (to deal in stocks)  :: especular, controlar, manipular
operate {v} (to perform a work or labour)  :: operar, obrar
operate {v} (to produce a physical effect)  :: operar, trabajar
operate {v} (to produce effect on the mind; to exert moral power)  :: influir; controlar, manipular
operating room {n} (room in a hospital used for performing surgery)  :: quirófano {m}
operating system {n} (software which controls computer)  :: sistema operativo {m}
operating theatre {n} (room in a hospital used for performing surgery)  :: quirófano {m}
operation {n} /ˌɑːpəˈɹeɪʃən/ (method by which a device performs its function)  :: operación {f}
operation {n} (procedure for generating a value from one or more other values)  :: operación {m}
operation {n} (surgical procedure)  :: operación {f}
operative {adj} (based upon a surgical operation)  :: operatorio
operative {adj} (effectual)  :: operatorio
operative {adj} (functional)  :: operatorio
operator {n} /ˈɑːpəɹeɪtɚ/ (Chinese whispers) SEE: Chinese whispers  ::
operculum {n} (covering flap)  :: opérculo {m}
operetta {n} (lighter version of opera with a frivolous story and spoken dialogue)  :: opereta {f}
Ophelia {prop} (female given name)  :: Ofelia
ophidiophobia {n} (ophiophobia) SEE: ophiophobia  ::
ophiophobia {n} (fear of snakes)  :: ofidiofobia {f}
Ophiuchus {prop} /ˌoʊfiˈjukəs/ (zodiacal constellation of the northern summer)  :: Ofiuco {m}
ophthalmic {adj} (of or pertaining to the eyes)  :: oftálmico
ophthalmological {adj} (pertaining to ophthalmology)  :: oftalmológico
ophthalmologist {n} (eye specialist)  :: oftalmólogo {m}, oftalmóloga {f}
ophthalmology {n} (eye medicine)  :: oftalmología {f}
ophthalmoscope {n} (instrument for examining the interior of the eye)  :: oftalmoscopio {m}
opiate {n} /ˈəʊpiət/ (drug, hormone or other substance derived from or related to opium)  :: opiato {m}
opine {v} /oʊˈpaɪn/ (to state as an opinion)  :: opinar
opinion {n} /əˈpɪnjən/ (thought a person has formed about a topic)  :: opinión {f}
opinion {n} (EU: A judicial opinion by an Advocate General delivered to the European Court of Justice)  :: conclusiones {f-p}
opinionated {adj} (obstinately holding to one's opinion)  :: obstinado, terco
opium {n} /ˈoʊpiəm/ (drug from opium poppy)  :: opio {n}
Oporto {prop} (second-largest city of Portugal)  :: Oporto
opossum {n} /əˈpɑsəm/ (marsupial of the Didelphidae)  :: [especially formal or scientific usage] zarigüeya {f}, [Bolivia] carachupa {f}, [Colombia] chucha {f}, [Argentina, Paraguay, Uruguay] comadreja {f}, [Venezuelan Andes] faro {m}, [Peru] muca {f}, [Venezuelan standard usage] rabipelado {m}, [Ecuador] raposa {f}, [Honduras] tacuacín {m}, [El Salvador, Guatemala] tacuazín {m}, [Mexico] tlacuache {m}, [Nicaragua] zorro cola pelada {m}, [Costa Rica] zorro pelón {m}
opponent {n} /ɒpəʊnən̩t/ (a rival)  :: oponente {m}
opportune {adj} (suitable)  :: oportuno
opportunely {adv} /ˌɑ.pɚˈtun.li/ (in a manner convenient or advantageous at some particular time)  :: tempestivamente
opportunism {n} (the taking of opportunities)  :: oportunismo {m}
opportunist {n} (someone who takes advantage of any opportunity)  :: oportunista {m}, [Puerto Rico] vela güira {f}
opportunity {n} (favorable circumstance or occasion)  :: oportunidad {f}
opportunity {n} /ˌɑpɚˈtunəti/ (chance for advancement, progress or profit)  :: oportunidad {f}
opportunity cost {n} (cost of something in terms of an opportunity forgone)  :: coste de oportunidad {m}
oppose {v} (to attempt to stop the progression of)  :: oponer
oppose {v} (to object to)  :: oponer
opposed {adj} (acting in opposition; opposing)  :: opuesto
opposite {adj} (facing the other way)  :: opuesto
opposite {adj} (of complementary or mutually exclusive things)  :: opuesto
opposite {adj} /ˈɑpəsɪt/ (located directly across from)  :: opuesto
opposite sex {n} (the other gender to which one is referring)  :: sexo opuesto {m}
oppress {v} (keep down by force)  :: oprimir
oppressed {adj} (Subject to oppression)  :: oprimido
oppression {n} (act of oppressing, or the state of being oppressed)  :: opresión {f}
oppressor {n} (oppressor)  :: opresor {m}
opprobrium {n} /əˈpɹoʊbɹiəm/ (ignominy)  :: oprobio {m}
op shop {n} (thrift shop) SEE: thrift shop  ::
opsonin {n} (an antibody)  :: opsonina
optic chiasm {n} (part of the brain)  :: quiasma óptico {m}
optician {n} (a person who makes or sells lenses, spectacles)  :: óptico {m}, óptica {f}
optic nerve {n} (nerve)  :: nervio óptico {m}
optics {n} (plural of optic) SEE: optic  ::
optimal {adj} /ˈɑptɪməl/ (the best)  :: óptimo
optimism {n} /ˈɑptɪmɪzəm/ (a tendency to expect the best)  :: optimismo {m}
optimist {n} /ˈɑptɪmɪst/ (a person who expects a favourable outcome)  :: optimista {m} {f}
optimistic {adj} (expecting a good outcome)  :: optimista {m} {f}
optimize {v}  :: optimizar
optimize {v} /ˈɑptɪmaɪz/ (to make (something) optimal)  :: optimar, optimizar
optimize {v} (to make (something) more efficient)  :: optimar, optimizar
option {n} (financial product)  :: opción financiera, opciones {f}
option {n} /ˈɑpʃən/ (one of the choices which can be made)  :: opción {f}
optional {adj} (not compulsory)  :: opcional {m} {f}
optometrist {n} (person trained in examining and testing the eyes for defects)  :: optometrista {m} {f}, optómetra {m} {f}
optometry {n} (art and science of vision and eye care)  :: optometría {f}
optronic {adj} (optoelectronic) SEE: optoelectronic  ::
optronics {n} (optoelectronics) SEE: optoelectronics  ::
opulence {n} (wealth)  :: opulencia {f}
opuscule {n} /oʊˈpəskjul/ (Small or petty work.)  :: opúsculo {m}
or {adj} (of yellow or gold tincture on a coat of arms)  :: oro
or {conj} /ɔɹ/ (conjunction)  :: o, [before words beginning in 'o-' or 'ho-'] u
or {n} (gold or yellow tincture)  :: oro {m}
orach {n} /ˈɔɹɪtʃ/ (saltbush) SEE: saltbush  ::
oracle {n} /ɒrəkəl/  :: oráculo
oral {adj} /ˈɔːɹəl/ (relating to the mouth)  :: oral
orally {adv} (by mouth)  :: oralmente
orally {adv} (spoken)  :: oralmente
oral sex {n} (stimulation of the genitals using the mouth)  :: sexo oral {m}
orange {adj} (having the colour of the fruit of an orange tree)  :: anaranjado, naranja
orange {n} (colour)  :: naranja {m}
orange {n} (fruit)  :: naranja {f}, china {f} [Dominican Republic, Puerto Rico]
orange {n} /ˈɔɹ.əndʒ/ (tree)  :: naranjo {m}
orangeade {n} /ˈɒ.ɹɪn.ˌdʒeɪd/ (orange-flavored soft drink)  :: naranjada {f}
orangeade {n} (soda water and orange juice)  :: naranjada {f}
orange blossom {n} (white flower of the orange tree)  :: azahar {m}
orange juice {n} (juice of squeezed oranges)  :: [Latin America] jugo de naranja {m}, [Spain] zumo de naranja {m}
orangutan {n} /ɵˈɹæŋ.ʉˌtæn/ (arboreal anthropoid ape)  :: orangután {m}
orate {v} /ˈɔɹ.eɪt/ (to speak formally; to give a speech)  :: disertar, perorar, pontificar
orate {v} (to speak passionately; to preach)  :: arengar, sermonear, vituperar, amonestar
oratory {n} (eloquence) SEE: eloquence  ::
oratory {n} (large Roman Catholic church)  :: oratorio {m}
oratory {n} /ˈɔ.ɹə.tɔ.ɹi/ (art of public speaking)  :: oratoria {f}
oratory {n} (private chapel)  :: oratorio
orb {n} (circle) SEE: circle  ::
orb {n} /oɹb/ (spherical body)  :: orbe {m}
orb {n} (orbit) SEE: orbit  ::
orb {n} (period of time marked off by the revolution of a heavenly body) SEE: year  ::
orbicular {adj} /ɔɹˈbɪk.ju.lɚ/ (circular or spherical in shape)  :: orbicular, esférico
orbicularis oculi {n} (muscle)  :: orbicular de los párpados {m}, músculo orbicular de los párpados {m}
orbit {n} (eye socket) SEE: eye socket  ::
orbit {n} (path of one object around another)  :: órbita {f}
orbit {v} (circle another object)  :: orbitar
orbital {adj} (Of or relating to an orbit)  :: orbital
orbital {adj} (Of or relating to the eye socket (eyehole))  :: orbital
orbital cavity {n} (eye socket) SEE: eye socket  ::
orc {n} (evil monstrous humanoid creature)  :: orco {m}
orc {n} (Orcinus orca) SEE: orca  ::
orca {n} /ˈɔː(ɹ).kə/ (Orcinus orca)  :: orca {f}
orchard {n} /ˈɔː(ɹ).tʃəd/ (land for cultivation of fruit or nut trees)  :: huerta {m}
orchard {n} (the trees in an orchard)  :: árbol de huerta {m}
orcharder {n} (orchardist) SEE: orchardist  ::
orchestra {n} (large group of musicians who play together on various instruments)  :: orquesta {f}
orchestra {n}  :: orquesta {f}
orchestral {adj} /ˌɔrˈkɛstrəl/ (relating to an orchestra)  :: orquestal
orchid {adj} (colour)  :: orquídea
orchid {n} /ˈɔrkɪd/ (plant)  :: orquídea {f}
orchidarium {n} (orchid garden)  :: orquideario {m}
orchidology {n} (the branch of botany or horticulture dealing with orchids)  :: orquideología {f}
ordeal {n} (a painful or trying experience)  :: calvario {m}
ordeal {n} (trial in which the accused was subjected to a dangerous test)  :: prueba del fuego {f}, ordalía {f}
order {n} (command)  :: orden {f}, mandato {m}
order {n} (good arrangement)  :: orden {m}
order {n} /ˈɔɹdɚ/ (arrangement, disposition)  :: orden {m}
order {n} (religious group)  :: orden {f}, mandato {m}
order {n} (request for some product or service)  :: orden {f}, mandato {m}
order {v} (to issue a command)  :: ordenar, mandar
order {v} (to request some product or service)  :: ordenar, pedir
order {v} (to set in (a good) order)  :: ordenar, arreglar
order {v} (to set in (any) order)  :: ordenar, arreglar
ordered pair {n} (in set theory)  :: par ordenado {m}
orderliness {n} /ˈɔːdəlɪnəs/ (regularity; proper arrangement)  :: orden {m}
orderly {adj} (methodical; systematic)  :: metódico
orderly {adj} /ˈɔɹdɚli/ (neat; tidy; possessing order)  :: ordenado
orderly {adj} (peaceful; well-behaved)  :: pacífico
orderly {n} (hospital attendant given a variety of non-medical duties)  :: camillero {m}
ordinal {adj} /ˈɔːɹd.nəl/ (indicating position in a numerical sequence)  :: ordinal
ordinal direction {n} (intercardinal direction) SEE: intercardinal direction  ::
ordinal number {n} (arithmetic: number used to denote position in a sequence)  :: ordinal {m}, número ordinal {m}
ordinal number {n} (grammar: word used to denote relative position in a sequence)  :: ordinal {m}, adjetivo ordinal {m}
ordinance {n} /ˈɔɹd.nəns/ (a local law or regulation)  :: ordenanza {f}
ordinarily {adv} (usually or as a general rule)  :: ordinariamente
ordinary {adj} /ˈɔɹdɪnɛɹi/ (normal, routine)  :: ordinario {m}
ordinate {adj} ({{trans-top, see also: arranged regularly in rows; orderly; disposed or arranged in an orderly or regular fashion.)  :: ordenado
ordinate {n} (y coordinate)  :: ordenada {f}
ordinate {v} (to align a series of objects)  :: alinear
ordinate {v} (to ordain a priest or consecrate a bishop)  :: ordenar
ordnance {n} /ˈɔɹdnəns/ (artillery)  :: artillería {f}
ore {n} /oʊɹ/ (rock that contains materials that can be economically extracted and processed)  :: mena {f}, mineral {m}
oregano {n} /əˈrɛɡənoʊ/ (plant)  :: orégano {m}
oregano {n} (leaves used to flavour food)  :: orégano {m}
Oregon {prop} /ˈɔɹɪɡən/ (northwestern state of the United States of America)  :: Oregón {m}
Oregon grape {n} (Mahonia aquifolium)  :: mahonia {f}, uva de Oregón {f}
or else {phrase} (no matter what)  :: o verás
Orenburg {prop} (city in Russia)  :: Oremburgo {m}
orfe {n} (Leuciscus idus) SEE: ide  ::
organ {n} (musical instrument)  :: órgano {m}
organ {n} /ˈɔɹ.ɡən/ (part of an organism)  :: órgano {m}
organ {n} (official magazine, newsletter, or similar publication)  :: publicación oficial {f}
organ {n} (species of cactus)  :: órgano {m}
organdy {n} /ˈɔːɡəndi/ (transparent fabric)  :: organdí {m}
organelle {n} (a membrane bound compartment found within cells)  :: orgánulo, organelo {m}, elemento celular {m}
organ gun {n} (ribauldequin) SEE: ribauldequin  ::
organic {adj} (chemistry: relating to the compounds of carbon)  :: orgánico
organic {adj} /ɔːˈɡænɪk/ (pertaining to an organ)  :: orgánico
organic {adj} (of food and food products: grown without agrichemicals)  :: orgánico {m}, orgánica {f}
organic {n} (organic compound) SEE: organic compound  ::
organic chemistry {n} (chemistry of carbon containing compounds)  :: química orgánica {f}
organic compound {n} (carbon containing covalent compound)  :: compuesto orgánico
organise {v} (organize) SEE: organize  ::
organism {n} (any complex thing with properties normally associated with living things.)  :: organismo {m}
organism {n} /ˈɔɹ.ɡən.ɪ.zəm/ (living thing)  :: organismo {m}
organist {n} (musician who plays the organ)  :: organista {m}/{f}
organization {n} (group of people consciously cooperating)  :: organización {f}
organization {n} (group of people or other legal entities with an explicit purpose and written rules)  :: organización {f}
organization {n} /ˌɔɹɡənɪˈzeɪʃən/ (quality of being organized)  :: organización {f}
organizational {adj} (organizational)  :: organizacional
organize {v} (to arrange in working order)  :: organizar
organize {v} (to constitute in parts, each having a special function; to systematize)  :: organizar
organized {adj} (characterised by efficient organisation)  :: organizado {m}, organizada {f}
organized crime {n} (criminal organizations seen as a whole)  :: crimen organizado {m}
organizer {n} (person arranging public events)  :: organizador {m}
organochlorine {n} (chlorine substituted organic compound)  :: organoclorado {m}
organography {n} (description of the structure and function of organs)  :: organografía {f}
organoleptic {adj} (of or pertaining to sensory properties of a particular substance)  :: organoléptico
organomercury {adj} (of an organic compound, containing a carbon to mercury bond)  :: organomercúrico
organophosphate {n} (ester of phosphoric acid)  :: organofosfato {m}
organ pipe {n} (tube part of an organ (instrument))  :: tubo de órgano {m}
orgasm {n} /ˈɔɹ.ɡæz.əm/ (the peak of sexual pleasure)  :: orgasmo {m}
orgasmic {adj} (of or relating to orgasms)  :: orgásmico
orgiastic {adj} /ˌɔrdʒiˈæstɪk/ (relating to an orgy)  :: orgiástico
orgy {n} /ˈɔː.dʒi/  :: orgía
orient {v} (to familiarize with a situation or circumstance)  :: orientarse
Orient {prop} (Countries of Asia)  :: Oriente {m}
orientation {n} (ability to orient)  :: orientación {f}
orientation {n} (an inclination, tendency or direction)  :: orientación {f}
orientation {n} (introduction to a new environment)  :: orientación {f}
orientation {n} (the act of orienting)  :: orientación {f}
orientation {n} (the direction of print across the page)  :: orientación {f}
orienteering {n} (racing across unfamiliar countryside using a map and compass)  :: orientación
origami {n} /ˌɔɹəˈɡɑmi/ (the Japanese art of paper folding)  :: papiroflexia {f}
origin {n} (ancestry)  :: origen {m}
origin {n} (beginning of something)  :: origen {m}
origin {n} (source of a river, information, goods, etc.)  :: origen {m}
original {adj} /əˈɹɪdʒɪnəl/ (relating to the origin or beginning)  :: original
original {adj} (first in a series)  :: original
original {adj} (fresh, different)  :: original
original {adj} (having as its origin)  :: original
original {adj} (newly created)  :: original
original {adj}  :: original {m} {f}
original {adj} (pioneering)  :: original
original {n} (archasm for an excentric) SEE: eccentric  ::
original {n} (object from which all later copies and variations are derived)  :: original {m}
original {n}  :: original {m}
original {n} (person with a unique and interesting personality and/or creative talent)  :: único {m}
originality {n} /əˌɹɪdʒᵻˈnælᵻti/ (the quality of being original or novel)  :: originalidad {f}
originality {n}  :: originalidad {f}
originality {n} (something original)  :: originalidad {f}
originally {adv} (as it was in the beginning)  :: originalmente, originariamente
original sin {n} (state of sin that is a direct result of Adam's disobedience to God)  :: pecado original {m}
originate {v} /əˈɹɪdʒɪneɪt/ (to give origin to, cause)  :: originar
originate {v} (to take first existence, have origin)  :: originarse
Orinoco {prop} /ˌoʊrɪˈnoʊkoʊ/ (River)  :: Orinoco {m}
oriole {n} (An Icteridae bird of the New World)  :: turpial {m}, bolsero {m}
oriole {n} (An Oriolidae bird of the Old World)  :: oropéndola {f}
Orion {prop} (constellation)  :: Orión
Orion {prop} (in mythology)  :: Orión
Orion's Belt {prop} (bright asterism)  :: [South America] las Tres Marias
orison {n} /ˈɒɹɪsən/ (A prayer)  :: oración {f}
Orissa {prop} (Odisha) SEE: Odisha  ::
Oristano {prop} (town)  :: Oristán
Oriya {prop} (language)  :: oriya {m}
Orkney Islands {prop} (group of islands)  :: Orcadas {f-p}
ornament {n} (musical flourish)  :: ornamento musical
ornament {n} /ˈɔɹnəmənt/ (element of decoration)  :: ornamento {m}
ornamental {adj} /ˌɔɹnəˈmɛntl/ (serving to ornament)  :: ornamental
ornate wolf {n} (Lycaon pictus) SEE: African hunting dog  ::
ornery {adj} /ˈɔːɹnɚi/ (cantankerous, stubborn)  :: terco
ornithine {n} (amino acid)  :: ornitina {f}
ornithological {adj} (of or pertaining to ornithology)  :: ornitológico
ornithologist {n} (expert in ornithology)  :: ornitólogo {m}, ornitóloga {f}
ornithology {n} (scientific study of birds)  :: ornitología {f}
ornithophobia {n} (fear, dislike, or hate of homosexuals)  :: ornitofobia {f}
ornithopter {n} /ˈɔɹ.nɪˌθɑp.tɚ/ (aircraft that flaps its wings)  :: ornitóptero {m}
orogenesis {n} (orogenesis)  :: orogénesis {f}
orography {n} /ɒˈɹɒɡɹəfi/ (the scientific study, or a physical description of mountains)  :: orografía {f}
orography {n} (the orographic features of a region)  :: orografía {f}
orphan {n} (person whose (parent or) parents have died)  :: huérfano {m}, huérfana {f}
orphanage {n} (a public institution for the care and protection of orphans)  :: orfanato {m}, casa cuna {f}
orphanarium {n} (orphanage) SEE: orphanage  ::
orphan drug {n}  :: medicamento huérfano
Orpheus {prop} (the musician who searched for Eurydice)  :: Orfeo {m}
ort {n} /ɔːrt/ (a scrap of leftover)  :: migaja {f}, resto {m}
orthoclase {n} (potassium aluminum silicate)  :: ortoclasa {f}
orthodontic {adj} (of or relating to orthodontics)  :: ortodóncico
orthodontics {n} (correcting misalignment of teeth)  :: ortodoncia {f}
orthodontist {n} (orthodontic dentist)  :: ortodoncista {m} {f}
orthodox {adj} (Adhering to whatever is traditional, customary, accepted)  :: ortodoxo
orthodox {adj} /ˈɔːθədɒks/ (Adhering to established religious doctrine or tradition)  :: ortodoxo
Orthodox {adj} (of the Eastern Christian Orthodox church)  :: ortodoxo {m}, ortodoxa {f}
orthodoxia {n} (correct praise)  :: ortodoxia {f}
orthodoxly {adv} /ˈɔːθədɒksli/ (in a correct or proper way)  :: ortodoxamente
orthodoxly {adv} (religion: according to doctrine)  :: ortodoxamente
orthodoxy {n} (correctness in doctrine and belief)  :: ortodoxia {f}
orthodoxy {n} /ˈɔːrθədɑːksi/ (the beliefs and practices of the Eastern Orthodox Church) SEE: Orthodoxy  ::
Orthodoxy {prop} (the Eastern Orthodox Church and its foundations)  :: ortodoxia {f}
orthographic {adj} /ˌɔːɹθəˈɡɹæfɪk/ (orthography)  :: ortográfico {m}
orthography {n} (aspect of language study concerned with letters and their correct sequence in words)  :: ortografía {f}
orthography {n} /ɔɹˈθɑɡ.ɹə.fi/ (study of correct spelling)  :: ortografía {f}
orthologous {adj} (having been separated by a speciation event)  :: ortólogo
orthopedia {n} (orthopedics) SEE: orthopedics  ::
orthopedic {adj} (Of or relating to orthopedics)  :: ortopédico
orthopedics {n} (medicine: a branch of medicine)  :: ortopedia {f}
orthopedist {n} (orthopedic surgeon)  :: ortopedista {m} {f}, ortopédico {m}
orthosympathetic {adj} (of or pertaining to the sympathetic component)  :: ortosimpático
orthotopic {adj} (in the normal position)  :: ortotópico
ortolan {n} /ˈɔɹ.tə.læn/ (a small bird eaten as a delicacy)  :: hortelano , papafigo
Oryol {prop} (a city in Russia)  :: Orel {m}
Osaka {prop} (Ōsaka, a city in Honshū, Japan)  :: Osaka
Oscan {adj} /ˈɑːskən/ (Of or pertaining to the Oscan language or Oscan people, or their writing system)  :: osco
Oscan {n} (Person)  :: osco {m}
Oscan {prop} (Language)  :: osco {m}
Oscar {prop} (male given name)  :: Óscar {m}
oscillate {v} /ˈɑsɪleɪt/ (to swing back and forth, especially if with a regular rhythm)  :: oscilar
oscilloscope {n} /əˈsɪl.ɪ.skəʊp/ (electronic measuring instrument)  :: osciloscopio {m}
Osiris {prop} /oʊˈsaɪrɪs/ (Egyptian god of the dead and of the underworld)  :: Osiris
-osis {suffix} (suffix for functional disorders)  :: -osis
Oslo {prop} (the capital and a county municipality of Norway)  :: Oslo
osmium {n} (chemical element)  :: osmio {m}
osmobiosis {n} (form of cryptobiosis)  :: osmobiosis {f}
osmometer {n} (measuring device)  :: osmómetro {m}
osmoregulation {n} (homeostatic regulation of osmotic pressure)  :: osmorregulación
osmosis {n} (movement of molecules)  :: ósmosis {f}
osmotic {adj} (of or relating to osmosis)  :: osmótico
osmotic pressure {n} (hydrostatic pressure)  :: presión osmótica {f}
osprey {n} /ˈɑspɹi/ (bird of prey)  :: águila pescadora {f}, gavilán pescador {m}, guincho {m}
Osroene {prop} (ancient kingdom)  :: Osroene
osseous {adj} (relating to bone)  :: óseo
Ossetia {prop} /əˈsɛtɪə/ (region in the Caucasus)  :: Osetia {f}
Ossetian {adj} /ɑːˈsetiən/ (pertaining to Ossetia)  :: osetio
Ossetian {n} (member of the people)  :: osetio {m}
Ossetian {prop} (language)  :: osetio {m}, oseta
ossify {v} /ˈɑ.sə.faɪ/ (to calcify) SEE: calcify  ::
ossuary {n} (a place where the dead are buried)  :: osario {m}
ostensible {adj} /ɒˈstɛns.ɪ.bəl/  :: ostensible
ostensibly {adv} /ɑːˈstɛn.sə.bli/ (ostensibly)  :: ostensiblemente
ostensive definition {n} (process of binding the meaning to the defined term)  :: definición ostensiva {f}
ostentatious {adj} /ˌɒs.tənˈteɪ.ʃəs/ (of ostentation)  :: ostentoso
osteoarthritis {n} (form of arthritis caused by chronic degeneration of the cartilage and synovial membrane of the joints)  :: artrosis {f}
osteochondrosis {n} (family of orthopedic diseases)  :: osteocondrosis {f}
osteodystrophy {n} (abnormal or defective development of a bone)  :: osteodistrofia {f}
osteologist {n} (specialist in osteology)  :: osteólogo {m}
osteonectin {n} (protein hormone)  :: adiponectina {f}
osteopathy {n} (branch of therapy)  :: osteopatía {f}
osteophyte {n} (abnormal growth of bone)  :: osteofito {m}
osteoporosis {n} (bone disease)  :: osteoporosis {f}
ostinato {n} /ɒstɪˈnɑtoʊ/ (music: figure that is repeated over and over)  :: ostinato
ostomy {n} (surgical procedure)  :: ostomía {f}
ostracism {n} (banishment, exclusion from community)  :: ostracismo {m}
ostracism {n} /ˈɒstɹəsɪz(ə)m/ (in ancient Greece, the temporary banishment by popular vote)  :: ostracismo {m}
ostracize {v} (exclude someone)  :: excluir, aislar
ostrich {n} /ˈɔs.tɹɪt͡ʃ/ (large flightless bird)  :: avestruz {m}
otalgia {n} (earache)  :: otalgia {f}
other {adj} /ˈʌðɚ/ (not the one)  :: otro {m}, otra {f}, otros {m-p}, otras {f-p}
other {determiner} (not the one referred to)  :: otro {m}, otra {f}
other {n} (an other one)  :: otro {m}, otra {f}
otherness {n}  :: otredad {f}
others {n} /ˈʌðɚz/ (other people)  :: otros {m-p}
others {n} (those remaining after something has been excluded)  :: otros {m-p}
otherwise {adv} /ˈʌð.ə(ɹ)ˌwaɪz/ (differently, in another way)  :: de otra manera
otherwise {adv} (in all other respects)  :: por lo demás, por otra parte, aparte de esto, fuera de eso
otherwise {adv} (or else) SEE: or else  ::
otherwise {adv} (under different circumstances)  :: si no, de lo contrario
otitis {n} (inflammation of the ear)  :: otitis {f}
otolaryngological {adj} (otorhinolaryngological) SEE: otorhinolaryngological  ::
otolaryngologist {n} (otorhinolaryngologist) SEE: otorhinolaryngologist  ::
otolaryngology {n} (otorhinolaryngology) SEE: otorhinolaryngology  ::
otorhinolaryngologist {n} /ˌɑtoˌrajnoˌlærɪŋˈɡɑlədʒɪst/ (medical doctor of ear, nose and throat)  :: otorrinolaringólogo {m}, otorrinolaringóloga {f}
otorhinolaryngology {n} /ˌɑtoˌrajnoˌlærɪŋˈɡɑlədʒi/ (medical study of the ear, nose and throat)  :: otorrinolaringología {f}
Ottawa {prop} /ˈɒtəwə/ (capital of Canada)  :: Ottawa
otter {n} /ˈɑtɚ/ (mammal)  :: nutria {f}, lutria {f}
otter civet {n} (Cynogale bennettii)  :: civeta nutria, pescadora
Ottoman Empire {prop} /ˈɒtəmən ˈɛmpaɪɚ/ (Ottoman Empire)  :: Imperio Otomano {m}
Ottoman Turkish {prop} (the variety of the Turkish language that was used as the administrative and literary language of the Ottoman Empire)  :: turco otomano
Ouagadougou {prop} /ˈwɑːɡəˈduːɡuː/ (capital of Burkina Faso)  :: Uagadugú
ouch {interj} /ˈaʊtʃ/ (expression of one's own physical pain)  :: ay, uy
ouchie {n} (owie) SEE: owie  ::
ought {v} (indicating advisability or prudence)  :: deber in either indicative or conditional.
ought {v} (indicating desirability)  :: deber in either indicative or conditional.
ought {v} (indicating likelihood or probability)  :: deber in either indicative or conditional.
ought {v} /ɔt/ (indicating duty or obligation)  :: deber in either indicative or conditional.
Ouija {n} /ˈwiːdʒə/ (a board with letters of the alphabet and "yes" and "no")  :: güija, ouija
ounce {n} /aʊns/ (28.3495 g)  :: onza {f}
our {determiner} /ɑː(ɹ)/ (belonging to us)  :: nuestro, nuestra {f}, nuestros {m-p}, nuestras {f-p}
Ourense {prop} (city)  :: Orense
Ourense {prop} (province)  :: Orense
Our Lady {prop} (Virgin Mary)  :: Nuestra Señora {f}
Our Lady of Sorrows {prop} (Virgin Mary)  :: Virgen de las Angustias, Virgen de los Dolores la Dolorosa
ouroboric {adj} (self-referring, self-reflexive, self-consuming; recursive)  :: recursivo
ours {pron} (that which belongs to us)  :: lo nuestro
ourselves {pron} (emphatic: we)  :: nosotros mismos
ourselves {pron} (reflexive: us)  :: nos, nosotros
-ous {suffix} (chemical compounds in which a specified chemical element has a lower oxidation number)  :: -oso
-ous {suffix} (suffix to form adjectives)  :: -oso, -udo
oust {v} /aʊst/ (to expel; to remove)  :: expulsar; deponer
out {adv} (at a distance)  :: lejos
out {adv} /aʊt/ (away from expected or default place)  :: afuera
out {adv} (away from the inside or the centre)  :: fuera
out {prep} (away from the inside)  :: fuera
out {prep}  :: fuera
outboard {n} (outboard motor) SEE: outboard motor  ::
outbox {n} /ˈaʊtbɒks/ (electronic folder)  :: buzón de salida {m}
outburst {n} (a sudden expression of emotion)  :: arranque {m}, arrebato {m}
outcast {n} /aʊtˈkɑːst/ (one that has been excluded from a society or system a pariah)  :: proscrito {m}, paria {m} {f}, marginado {m}
outclass {v} (To surpass something)  :: superar
outcome {n} (education)  :: objetivos {m-p}
outcome {n} (probability)  :: resultado {m}
outcome {n} (result)  :: resultado {m}, consecuencia {f}
outcrop {n} /ˈaʊt.krɑp/ (coming out of bedrock or of an unconsolidated deposit to the surface of the ground)  :: afloramiento {m}
outcrop {n} (part of a rock formation that appears at the surface)  :: afloramiento {m}
outcry {n} /ˈaʊtkraɪ/ (strong protest)  :: protesta {f}
outdated {adj} /aʊtˈdeɪtɪd]/ (out of date, old-fashioned, antiquated)  :: obsoleto
outdo {v} /aʊtˈdu/ (to go beyond)  :: exceder sobrepasar
outdoors {adv} (in the open air)  :: al aire libre, a la intemperie, al fresco
outdoors {n} (environment outside of enclosed structures)  :: aire libre {m}
outer {adj} (outside)  :: externo
outer planet {n} (planet of the Solar System with an orbit beyond the asteroid belt)  :: planeta externo {m}
outer space {n}  :: espacio exterior
outer space {n} (region)  :: espacio exterior {m}, espacio cósmico {m}
outerwear {n} (clothing worn over one's underwear)  :: abrigo {m}, prenda exterior {f}, ropa exterior {f}
outfield {n} (baseball)  :: jardín {m}
outfielder {n} (A player that plays in the outfield.)  :: jardinero {m}
outfit {n} (set of clothing)  :: tenida {f}
outfox {v} (outsmart) SEE: outsmart  ::
outgoing {adj} (being comfortable in social settings and interactions)  :: extrovertido
outgoing {adj} (being replaced in office)  :: saliente
outgoing {adj} (going out, on it's way out)  :: saliente
outgrow {v} /ˌɑʊtˈɡroʊ/  :: crecer más que
outguess {v} (outsmart) SEE: outsmart  ::
outing {n} (excursion) SEE: excursion  ::
outlast {v} /ˌaʊtˈlæst/ (to live longer than)  :: durar más que
outlaw {n} (a fugitive from the law)  :: forajido {m}, fugitivo {m}, desperado {m}
outlet {n} /ˈaʊtlɛt/ (vent)  :: salida {f}
outlet {n} (release of desires)  :: desahogo
outlet {n} (river)  :: río que nace en un lago {f}
outlet {n} (shop)  :: minorista de marca {m}
outlet {n} (wall-mounted socket)  :: enchufe {m}
outline {n} /ˈaʊtlaɪn/ (line marking the boundary of an object figure)  :: contorno
outline {n} (outer shape of an object or figure)  :: contorno
outline {n} (sketch or drawing in which objects are delineated in contours without shading)  :: esbozo {m}
outline {v} (to draw an outline of something)  :: delinear
outline {v} (to summarize something)  :: resumir
outlive {v} /aʊtˈlɪv/ (to live longer than)  :: sobrevivir a
out loud {adv} (aloud)  :: en voz alta
outmoded {adj} (obsolete)  :: anticuado {m}
out of {prep} (expressing a fraction or a ratio)  :: de
out of {prep} (not having anymore)  :: sin
out of {prep} (with the motivation of)  :: por
out of context {adv} (without context that is needed for understanding)  :: fuera del contexto
out of hand {adj} (not under control, out of control)  :: fuera de control
out of sight, out of mind {proverb} (something not nearby is forgotten)  :: ojos que no ven, corazón que no siente
out of the blue {adv} (unexpectedly)  :: de la nada, de repente
out of the corner of one's eye {adv} (look sideways)  :: de reojo
out of the corner of one's eye {adv} (look with suspicion)  :: de reojo
out of the frying pan, into the fire {adv} (from an already bad situation to a worse one)  :: saliste de Guatemala y te metiste en Guatapeor
out of the ordinary {adj} (unusual; not ordinary)  :: fuera de lo común, fuera de lo normal
out of the question {adj} (impossible to even contemplate)  :: fuera de discusión
out of tune {adj} (not in correct musical pitch)  :: desafinado
out of work {adj} (unemployed) SEE: unemployed  ::
out on the tiles {adj} (out for a night on the town)  :: de juerga, de marcha
outplacement {n} (the process of helping to find new employment for redundant workers)  :: desvinculación asistida {f}
outpost {n} (An outlying settlement)  :: comunidad {f}, aldea {f}, finca {f}, colonia {f}
outpost {n} /ˈaʊtˌpoʊst/ (A military post)  :: puesto {m}, fortificación {m}, presidio {m}
outpost {n} (The troops themselves)  :: posteros {m}
outré {adj} /uˈtreɪ/ (very unconventional)  :: extravagante
outrage {n} (anger)  :: indignación {f}, rabia {f}, cólera {f}
outrage {n} (an offensive, immoral or indecent act)  :: ultraje {m}, desafuero {m}, atropello {m}
outrage {n} /ˈaʊtɹeɪd͡ʒ/ (an atrocity)  :: atrocidad {f}
outrage {v} (to cause or commit an outrage upon)  :: indignar
outrageous {adj} /aʊtˈɹeɪdʒəs/ (shocking)  :: indignante, inaudito, escandaloso, apabullante, aberrante, atroz, desaforado
outreach {n} /ˈaʊtɹiːtʃ/ (practice of visiting and providing services of an organisation to people)  :: extensión {f}
outreach {v} (reach out)  :: exceder, sobrepasar
outsell {v} /ɑʊtˈsɛl/ (to sell more than the others)  :: venderse más que
outset {n} /ˈaʊtsɛt/ (initial stage of something)  :: inicio {m}
outside {adv}  :: afuera
outside {adv} (on or towards the outside)  :: fuera, afuera
outside {n} /ˈaʊtsaɪd/ (outer surface)  :: exterior {m}
outside {prep} (on the outside of)  :: fuera de
outsider {n} (a newcomer)  :: lego {m}, novato {m}
outsider {n} /ˌaʊtˈsaɪdər/ (someone excluded)  :: marginado {m}
outskirt {n} /ˈaʊtskɝt/ (periphery)  :: afueras {f-p}
outskirts {n} (the edges or areas around a city or town)  :: afueras {f-p}
outsmart {v} (to beat in a competition of wits)  :: Ser más listo que alguien
outsource {v} (transfer of business to a third party)  :: externalizar
outsourcing {n} (transfer business)  :: externalización {f}, subcontratación {f}
outspoken {adj} (speaking, or spoken, freely, openly, or boldly; vocal)  :: franco, opinado {m}, abierto {m}, audaz {m}, valiente {m}
outstanding {adj} (distinguished from others by its superiority)  :: destacado, excepcional, distinguido
outstanding {adj} (not settled or finished)  :: pendiente
outstanding {adj} (owed as a debt)  :: pendiente
outstanding {adj} (projecting outwards)  :: sobresaliente
outstanding {adj} (standing out from others)  :: destacado, excepcional, extraordinario, sobresaliente, prominente
outward {adj} (outer; located towards the outside)  :: externo {m}, exterior {m}
outwit {v} /aʊtˈwɪt/ (outsmart) SEE: outsmart  ::
oval {adj} (oval-shaped)  :: oval, ovalado
oval {n} /ˈoʊvəl/ (shape like an egg or ellipse)  :: óvalo {m}
ovarian {adj} /oʊˈvɛɹiən/ (Relating to the ovaries)  :: ovárico
ovary {n} /ˈoʊvəɹi/ (female organ)  :: ovario {m}
ovate {adj} /ˈoʊveɪt/ (egg-shaped) SEE: egg-shaped  ::
ovation {n} /oʊˈveɪʃən/ (prolonged enthusiastic applause)  :: ovación {f}
oven {n} /ˈʌvən/ (chamber used for baking or heating)  :: horno {m}
ovenbird {n} (Seiurus auricapillus)  :: reinita {f}
oven mitt {n} (oven glove) SEE: oven glove  ::
over {adj} /ˈoʊ.vɚ/ (ended)  :: terminado, acabado
over {interj} (end of sentence in radio communication)  :: cambio
over- {prefix} (above or higher)  :: super-, sobre-
over- {prefix} (excessively)  :: super-, sobre-
over {prep} (physical positioning: across or spanning)  :: sobre
over {prep} (physical positioning: in such a way as to cover)  :: sobre
over {prep} (physical positioning: on top of; above)  :: sobre
overall {adv} (generally)  :: sobretodo
overall {n} (protective garment worn over clothing)  :: [Venezuela] braga {f}, [Spain] mono {m}, [Argentina, Colombia] overol {m}
overalls {n}  :: mono de trabajo {m}, mono {m}, overol {m}, overóles {m-p}
overalls {n} /ovərˈɑlz/ (loose fitting pair of pants with a bib)  :: mono {m}, overol {m}, mamelucos {m}, zaragüellos {m}
over and out {interj} (end of conversation)  :: cambio y fuera, cambio y corto
over and over {adv} (repeatedly)  :: una y otra vez
overbearing {adj} (overly bossy or domineering)  :: oprimente, subyugante
overcareful {adj} (excessively careful)  :: prolijo {m}
overcoat {n} (garment)  :: abrigo {m}
overcome {v} /oʊvəɹˈkəm/ (surmount, get the better of)  :: vencer, superar
overcook {v} (to cook for too long)  :: recocer
overcrowded {adj} (Containing too many occupants)  :: superpoblado, atestado, abarrotado
overdose {n} (excessive and dangerous dose of a drug)  :: sobredosis {f}
overdraft {n} /ˈoʊvɚdræft/ (act of overdrawing a bank account)  :: sobregiro {m}
overdraught {n} (overdraft) SEE: overdraft  ::
overdraw {v} (withdraw more money from an account than there is credit)  :: sobregirar
overdue {adj} (Late; especially, past a deadline or too late to fulfill a need)  :: atrasado
overdue abortion {n} (missed abortion) SEE: missed abortion  ::
overestimate {v} (to judge too highly)  :: sobrestimar
overestimated {v} (overrated) SEE: overrated  ::
overfall {v} /ˈoʊvɚfɑl/ (To fall over (something))  :: tropezar con algo
overfall {v} (To fall over)  :: caerse
overfeed {v} (too feed to much to)  :: sobrealimentar
overfill {v} (to fill beyond capacity)  :: sobrellenar
overflight {n} (flight over a place)  :: sobrevuelo {m}
overflow {n} /ˈəʊvəˌfləʊ/ (spillage)  :: desbordamiento {m}
overflow {v}  :: rebosar, desbordar
overflow pool {n} (type of swimming pool)  :: piscina desbordante {f}
overhaul {v} /ˈəʊvəˌhɔːl/ (to modernize, repair, renovate, or revise completely)  :: reparación general {m}
overhead {adj} /ˈəʊvəˌhɛd/ (of, or relating to the operating expenses of a business)  :: gastos generales
overhead {n} (expense of a business not directly assigned to goods or services provided)  :: gastos generales {m-p}
overhead projector {n} (projector that projects an image over the heads of the viewers onto a screen)  :: retroproyector {m}
overheat {v} /ˌoʊvɚˈhit/ (to heat excessively)  :: sobrecalentar
over here {adv} (in this place)  :: aquí
overlap {n} (something that overlaps)  :: solapo {m}, traslapo {m}, superposición {f}
overlap {v} /ˌəʊvəˈlæp/ (to extend over and partly cover something)  :: solapar, traslapar
overlapping {adj} (pertaining to things which overlap)  :: solapado, traslapado, superpuesto
overlapping {n} (the situation in which things overlap)  :: superposición {f}
overlay {v} (overwhelm) SEE: overwhelm  ::
overlay {v} /ˌoʊvɚˈleɪ/ (to lay, or spread, something over or across; to cover)  :: revestimiento {m}
overload {v} (to load excessively)  :: sobrecargar
overlook {v} (to fail to notice; to look over and beyond (anything) without seeing it)  :: pasar por alto
overlook {v} (to inspect; to examine; to look over carefully or repeatedly)  :: otear
overlook {v} (to look down upon from a place that is over or above)  :: otear
overlord {n} (anyone with overarching power or authority in given domain)  :: señor feudal
overly {adv} (to an excessive degree)  :: demasiadamente
overmorrow {adv} (on the day after tomorrow) SEE: day after tomorrow  ::
overmorrow {n} (day after tomorrow) SEE: day after tomorrow  ::
over my dead body {adv} (absolutely not)  :: sobre mi cadáver
overnight {adj} (during a single night)  :: nocturno
overnight {adv} (in a very short amount of time)  :: de un día para otro, de la noche a la mañana
overnight {v} (stay overnight)  :: pernoctar
overnourished {adj} (overweight) SEE: overweight  ::
overpass {n} (A section of a road or path that crosses over an obstacle, especially another road, railway, etc)  :: puente {m}, paso superior {m}, [pedestrian] pasarela {f}, paso elevado {m}, paso a desnivel {m}
overplay {v} (To overdo or overact one's effect or role)  :: sobreactuar
overpopulation {n} (when the number of occupants of an area exceeds the ability of that area to provide for the occupants)  :: superpoblación {f}
overpower {v} /oʊ.vɚˈpaʊ̯.ɚ/ (subdue someone by superior force)  :: dominar, vencer
overpriced {adj} (priced higher than what it is really worth)  :: sobre-tasado
overrated {adj} (rated too highly)  :: sobrevalorado
overrun {v} /ˈovərʌn/  :: exceder, rebasar, invadir
overseas {adj} /ˌoʊvɚˈsiːz/ (across a sea)  :: ultramar
overseas Chinese {n} (Huaqiao)  :: tusán {m} (Chinese Peruvian)
oversee {v} /əʊvə(ɹ)siː/  :: supervisar
overseer {n} (one who oversees)  :: capataz
overshadow {v} /ˌoʊ.vɚˈʃæd.oʊ/ (to cast a shadow over something)  :: asombrar
overshadow {v} (to dominate something and make it seem insignificant)  :: eclipsar (persona, éxito), deslucir (ocasión)
oversight {n} (omission)  :: inadvertencia {f}
oversight {n} (supervision)  :: vigilancia
oversleep {v} /ˈəʊvərˌsliːp/ (to sleep for longer than planned)  :: quedarse dormido
overstate {v} /ˌoʊ.vɚˈsteɪt/ (to exaggerate; to state or claim too much)  :: exagerar
oversteer {n}  :: sobreviraje {m}
oversteer {v}  :: sobrevirar
overt {adj} (open and not secret)  :: descubierto, al aire libre, explícito
overtake {v} /oʊvɚˈteɪk/ (To pass a more slowly moving object)  :: rebasar, sobrepasar, adelantar
over there {adv} (in that place)  :: allá, allí
over the top {adj} (beyond normal, expected, or reasonable limits; excessive; exaggerated)  :: subido de tono {m}, desmesurado, exagerado
overthrow {n} (removal by force or threat of force)  :: derrocamiento {m}, deposición {f}
overthrow {v} /oʊ.vɚ.ˈθɹoʊ/ (bring about downfall)  :: derrocar, derribar
overtime {adv} (exceeding regular working hours)  :: a destajo
overtime {n} (pay for overtime work)  :: tiempo de más {m}, pago overtime {m}, overtime
overtime {n} (worktime)  :: tiempo de más {m}, overtime {m}
overtly {adv} (openly)  :: abiertamente
overtrump {v} (To play a higher trump card) SEE: overruff  ::
overuse {v} /ˌoʊvɚˈjuːz/ (To use too much)  :: usar con exceso
overview {n} (brief summary, as of a book or a presentation)  :: descripción {f}
overwhelm {v}  :: abrumar, agobiar
overwhelm {v} /ˌoʊvɚˈwɛlm/ (overpower emotionally)  :: agobiar
overwhelming {adj} (overpowering)  :: imponente, irresistiblemente fuerte.
overwinter {v} (to keep or preserve for the winter)  :: invernar
overwinter {v} (to spend the winter (in a particular place))  :: hibernar, invernar
overwrite {v} (destroy old data)  :: sobrescribir
Ovid {prop} (Roman poet)  :: Ovidio {m}
oviduct {n} (duct through which an ovum passes)  :: oviducto {m}
Oviedan {adj} (of or from Oviedo)  :: ovetense
Oviedan {n} (person from Oviedo)  :: ovetense
Oviedo {prop} (town in Spain)  :: Oviedo
oviform {adj} /ˈoʊ.viːfɔɹm/ (egg-shaped) SEE: egg-shaped  ::
oviparous {adj} /oʊˈvɪpərəs/ (egg laying)  :: ovíparo
ovipositor {n} /əʊvɪˈpɒzɪtə/ (tubular organ for laying eggs)  :: ovipositor {m}
ovoid {adj} (egg-shaped) SEE: egg-shaped  ::
ovoid {adj} (shaped like an oval)  :: oval
ovoid {n} (something oval in shape)  :: ovoide {m}
ovoviviparous {adj} /ˌoʊvoʊvɪˈvɪpərəs/ (pertaining to animals whose eggs hatch inside their body)  :: ovovivíparo
ovulate {v} (produce eggs or ova)  :: ovular
owe {v} /oʊ/ (to be under an obligation)  :: deber, adeudar
owe {v} (to be in debt)  :: estar en deuda, deber, adeudar
owie {n} /ˈaʊwiː/ (minor injury)  :: coco
owl {n} /ˈaʊəl/ (a bird)  :: búho {m}, lechuza {f}, tecolote {m} [Mexico, Guatemala, Honduras], mochuelo {m} [Spain], autillo {m} [Spain], cárabo {m} [Spain], cuco {m} [Cuba], sijú cotunto {m} [Cuba], caburé {m} [Argentina], chuncho {m} [Argentina, Chile], anteojo {m} [Peru], tucúquere {m} [Peru, Bolivia, Argentina, Chile]
own {adj} (belonging to (determiner))  :: [used before the noun] propio
own {v} (acknowledge responsibility for)  :: reconocer, admitir
own {v} (defeat) SEE: defeat  ::
own {v} /oʊn/ (have rightful possession of)  :: poseer
owner {n} (one who owns)  :: propietario {m}, dueño {m}, poseedor {m}
ownership {n} (legal status)  :: posesión {f}, propiedad {f}
own goal {n} (goal scored by player against their own team)  :: autogol
own up {v} (to confess)  :: confesarse
ox {n} (any bovine animal used as a beast of burden)  :: buey {m}, toro {m}, novillo {m}
ox {n} /ɑks/ (an adult castrated male of cattle)  :: buey {m}
oxadiazole {n} (five-membered heterocycle)  :: oxadiazol {m}
oxalate {n} (salt or ester of oxalic acid)  :: oxalato {m}
Oxford {prop} /ˈɑksfɚd/ (city)  :: Oxford
Oxford {prop} (university)  :: Universidad de Oxford {f}
oxidanium {n} (hydronium) SEE: hydronium  ::
oxidation {n} (combination of a substance with oxygen)  :: oxidación {f}
oxidation {n}  :: oxidación {f}
oxidative {adj} (Relating to oxidation)  :: oxidativo
oxide {n} /ˈɒksaɪd/ (binary compound of oxygen)  :: óxido {m}
oxidizable {adj} (capable of being oxidised)  :: oxidable
oxidization {n} (oxidation) SEE: oxidation  ::
oxidize {v} (to combine with oxygen)  :: oxidar
oxonium {n} (univalent oxygen cation)  :: oxonio
oxygen {n} /ˈɒksɪd͡ʒən̩/ (chemical element)  :: oxígeno {m}
oxygenation {n} (process of treating something with oxygen)  :: oxigenación {f}
oxyhydrogen {adj} (using a mixture of hydrogen and oxygen)  :: oxhídrico
oxymoron {n} (contradiction in terms) SEE: contradiction in terms  ::
oxymoron {n} /ˌɑksiˈmɔɹɑn/ (figure of speech)  :: oxímoron {m}
oxytone {n} /ˈɑksɪˌtoʊn/ (word with the stress or an acute accent on the last syllable)  :: palabra aguda {f}
oyer and terminer {n} (English law: a court for the trial of cases of treason and felony)  :: tribunal de lo penal {m}
oyster {n} /ˈɔɪ.stə(ɹ)/ (mollusk, see also: clam, see also: mollusc, see also: mussel)  :: ostra {f}
oyster bed {n} (place on the seabed where oysters are grown to be harvested)  :: criadero de ostras {m}
oystercatcher {n} /ˈɔɪstə.ˌkætʃə/ (bird)  :: ostrero {m}
oyster farm {n} (place where oysters are raised)  :: ostrero {m}
oyster mushroom {n} (common mushroom)  :: seta {f} hongo de cardo {m} [Argentina, Chile, Mexico]
ozone {n} (O3)  :: ozono {m}
ozone hole {n} (region of the stratosphere over Antarctica that is depleted of ozone in the local spring)  :: agujero de ozono {m}
ozone layer {n} (a region of the stratosphere)  :: capa de ozono {f}