User:Matthias Buchmeier/es-en-o

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ó {conj}  :: obsolete spelling of o
ò {conj}  :: obsolete spelling of o
{suffix}  :: A suffix indicating the third-person singular indicative preterite of a verb
óbice {m}  :: obstacle
óbito {m}  :: death, passing
óblast {m}  :: oblast
Óder {prop} {m}  :: Oder
ófset {m}  :: offset (printing method)
óleo {m}  :: oil (liquid fat)
óleo {m}  :: oil painting (a painting done with oil paints)
óleo {m}  :: oil painting (the art of painting with oil paints)
ómicron {f}  :: omicron; the Greek letter Ο, ο
ómnibus {m}  :: public bus
-ón {suffix}  :: emphasizes that something is large, grand, intense, important
-ón {suffix}  :: indicates that someone or something has large attributes, or larger than usual
-ón {suffix}  :: for few cases, indicates that something is used wrong or frequently (forming adjectives and or nouns)
-ón {suffix}  :: emphasizes contempt for subject
-ón {suffix}  :: forms a noun from a different (usually larger) but related or similar one
-ón {suffix}  :: suffixed to verbs, doing something repeatedly or often
-ón {suffix}  :: for very few cases, indicates small size of or a lack of something (such as an ironic augmentative)
-ón {suffix} [chemistry]  :: ending of every chemical element belonging only to the noble gases group, except helium (in spanish helio)
-ón {suffix} [nuclear physics]  :: ending of most or every subatomic particle
ónfalos {m}  :: omphalos
ónice {mf}  :: alternative form of ónix
-ónimo {suffix}  :: -onym
ónix {mf}  :: onyx
o {letter}  :: letter: o
o {f}  :: Name of the letter O
o {conj}  :: or
o {conj}  :: either ... or
-o {suffix}  :: suffix indicating the first-person singular present indicative of verbs
O {letter}  :: The 16th letter of the Spanish alphabet
O {abbr}  :: abbreviation of oeste; west
OA {abbr}  :: Oaxaca (Mexican state)
oasis {m}  :: oasis
Oaxaca {prop} {f}  :: Oaxaca (state)
oaxaqueño {adj}  :: Of or pertaining to the Mexican state of Oaxaca
Obadías {prop} {m}  :: Obadiah
Obama {prop}  :: surname
obamista {mf}  :: Obamist
obcecación {f}  :: stubbornness, willful blindness
obcecado {adj}  :: stubborn, obsessed
obcecar {vt}  :: to blind
obducción {f} [geology]  :: obduction
obedecer {v}  :: to obey
obedecer {v}  :: to be because of
obedecible {adj}  :: obeyable
obediencia {f}  :: obedience
obediente {adj}  :: obedient
obedientemente {adv}  :: obediently
obelisco {m}  :: obelisk
obenque {m} [nautical]  :: shroud
Oberón {prop} {m}  :: Oberon
obertura {f}  :: opening
obesa {f}  :: An obese woman
obesógeno {adj}  :: obesogenic
obesidad {f}  :: obesity (state of being obese)
obeso {adj}  :: obese
obeso {m}  :: An obese person
obianguemista {m}  :: A supporter of Teodoro Obiang Nguema Mbasogo, president of Equatorial Guinea
obianguemista {adj}  :: Of or pertaining to Teodoro Obiang Nguema Mbasogo, president of Equatorial Guinea, or his politics
obispado {m}  :: bishopric
obispal {adj}  :: episcopal
obispo {m}  :: bishop
obituario {m}  :: obituary
objeción {f}  :: objection
objetable {adj}  :: objectionable
objetar {v}  :: to object
objetivable {adj}  :: objective (based on facts)
objetivamente {adv}  :: objectively
objetividad {f}  :: objectivity
objetivo {adj}  :: objective
objetivo {m}  :: aim
objeto {m}  :: object
objeto {m}  :: objective; goal
objetor {m}  :: objector
objetor {m}  :: conscientious objector
objetora {f}  :: feminine noun of objetor
objetora de conciencia {f}  :: feminine noun of objetor de conciencia
objetor de conciencia {m}  :: conscientious objector
objeto volador no identificado {m}  :: unidentified flying object (all senses)
objetual {adj}  :: objectual
oblación {f}  :: oblation
oíble {adj}  :: hearable
oblea {f}  :: wafer (biscuit or in electronics)
oblicuo {adj}  :: oblique
obligación {f}  :: obligation
obligadamente {adv}  :: obligatorily, necessarily, out of necessity
obligado {adj}  :: committed
obligado {adj}  :: coerced, forced
obligante {adj}  :: obligatory
obligar {v}  :: to oblige, force, obligate
obligatoriamente {adv}  :: compulsorily
obligatoriedad {f}  :: obligatoriness
obligatorio {adj}  :: mandatory
obligatorio {adj}  :: obligatory
obliteración {f}  :: obliteration
obliterar {v}  :: to obliterate, to null, to erase, to annihilate, to destroy completely, to eradicate
oblongo {adj}  :: oblong
obnubilación {f}  :: dazzlement (inability to think clearly)
obnubilación {f} [neuroscience]  :: a decreased level of alertness, characterised by the ability to respond correctly to complex tasks, but with difficulty; obtundation; obnubilation
obnubilar {v}  :: to daze
oboe {m} [musical instruments]  :: oboe
oboísta {mf}  :: oboist
obra {f}  :: work, usually literary or artistic
obra {f}  :: construction
obra cinematográfica {f}  :: film or motion picture
obra de arte {f}  :: work of art, objet d'art
obrador {m}  :: workshop
obra maestra {f}  :: masterpiece
obra muerta {f} [nautical]  :: topsides
obrar {v}  :: to produce
obrera {f}  :: feminine noun of obrero
obrerista {adj}  :: supporting the Labour movement
obrerista {mf}  :: A support of the Labour movement
obrero {m}  :: worker
obús {m}  :: howitzer
obscenamente {adv}  :: obscenely
obscenidad {f}  :: obscenity
obsceno {adj}  :: obscene
obscurecer {v}  :: archaic spelling of oscurecer
obscuridad {f}  :: alternative spelling of oscuridad
obscuro {adj}  :: alternative form of oscuro
obsecuente {adj}  :: humble; obsequious
obsequiar {v}  :: to present
obsequio {m}  :: gift, present, offering
obsequioso {m}  :: obsequious
observable {adj}  :: observable
observación {f}  :: observation
observacional {adj}  :: observational
observador {adj}  :: observant
observador {adj}  :: observing
observador {m}  :: observer
observadora {f}  :: feminine noun of observador
observancia {f}  :: observance
observante {adj}  :: observant
observar {v}  :: to observe
observatorio {m}  :: observatory
obsesión {f}  :: obsession
obsesionado {adj}  :: obsessed
obsesionado {adj}  :: possessed
obsesionar {v}  :: to obsess
obsesionarse {v}  :: reflexive of obsesionar
obsesivamente {adv}  :: obsessively
obsesivo {adj}  :: obsessive
obseso {adj}  :: obsessed
obsidiana {f}  :: obsidian
obsolescencia {f}  :: obsolescence
obsolescente {adj}  :: obsolescent
obsoleto {adj}  :: obsolete, outdated
obstaculización {f}  :: obstruction, hindering
obstaculizar {v}  :: to get in the way
obstante {adj}  :: hindering
obstante {adj}  :: obstructing
obstar {v}  :: to hinder
obstáculo {m}  :: obstacle
obstetra {mf} [medicine]  :: obstetrician (physician who specialises in childbirth)
obstetricia {f}  :: obstetrics
obstinación {f}  :: obstinacy
obstinadamente {adv}  :: obstinately
obstinado {adj}  :: stubborn
obstinar {v}  :: to be obstinate
obstrucción {f}  :: obstruction
obstruccionista {adj}  :: obstructionist
obstruccionista {mf}  :: obstructionist
obstructivo {adj}  :: obstructive
obstruir {v}  :: to obstruct
obstétrico {adj}  :: obstetric (relating to obstetrics)
obtención {f}  :: acquisition, obtaining
obtener {v}  :: to obtain
obtenible {adj}  :: obtainable
obturación {f}  :: sealing, covering (of an opening or aperture)
obtuso {adj}  :: obtuse (blunt)
obtuso {adj}  :: obtuse (intellectually dull)
obtuso {adj} [geometry]  :: obtuse
obus {m}  :: howitzer
obviamente {adv}  :: obviously
obviar {v}  :: to avoid; get round; get out of
obviar {v}  :: to obviate
obviedad {f}  :: obviousness
obviedad {f}  :: Something that is obvious
obvio {adj}  :: obvious, clear
Oc {interj} [colloquial, texting, Internet slang]  :: K., OK
oca {f}  :: goose
oca común {f}  :: wild goose (Ansar ansar)
océano {m}  :: ocean
océano Antártico {prop} {m}  :: océano Antártico (ocean)
océano Atlántico {prop} {m}  :: Atlantic Ocean (the ocean lying between the Americas to the west and Europe and Africa to the east)
océano Índico {prop} {m}  :: Indian Ocean
océano Pacífico {prop} {m}  :: Pacific Ocean
océano Ártico {prop} {m}  :: océano Ártico (ocean)
ocarina {f}  :: ocarina
ocasión {f}  :: occasion
ocasional {adj}  :: occasional
ocasionalmente {adv}  :: occasionally
ocasionar {v}  :: to cause
ocaso {m}  :: sunset
ocaso {m} [geography]  :: west
ocaso {m} [literary]  :: decline
occidental {adj}  :: western
occidentalización {f}  :: westernization
occidentalizar {v}  :: to westernize
occidente {m}  :: west, occident
occiduo {adj} [poetic, literary]  :: Western, occidental
occipital {adj} [anatomy]  :: occipital
occipital {m}  :: occipital bone
occipital {m}  :: (muscle) occipitalis
occipital {m}  :: occipital lobe
occipitofrontal {adj} [anatomy]  :: occipitofrontal
occipitofrontal {m}  :: occipitofrontalis, occipitofrontalis muscle
occipucio {m} [anatomy]  :: occiput
occisa {f}  :: feminine of occiso
occiso {m}  :: deceased person, victim (especially, one who died violently)
occitana {f}  :: feminine noun of occitano
occitano {adj}  :: Of or relating to Occitania or the Occitan language
occitano {m}  :: Person from or inhabitant of Occitania
occitano {m}  :: Occitan (the Romance language)
Oceanía {prop} {f}  :: Oceania
oceanógrafo {m}  :: oceanographer
oceanografía {f}  :: oceanography
oceanográfico {adj}  :: oceanographic
oceanología {f}  :: oceanography
ocelo {m} [zoology]  :: eye (mark on an animal resembling an eye)
ocelo {m} [zoology]  :: the eye of arthropods
ocelote {m}  :: ocelot
oceánico {adj}  :: oceanic
ochavo {adj} [obsolete]  :: eighth
ochavo {m} [obsolete]  :: eighth
ochavo {m} [historical]  :: A former coin of Spain (17th to 19th century), equivalent to two maravedís
ochavo {m}  :: Eight-day party
ochenta {num} [cardinal]  :: eighty
ochentavo {adj}  :: eightieth
ochenta y cinco {num}  :: eighty-five
ochenta y cuatro {num}  :: eighty-four
ochenta y dos {num}  :: eighty-two
ochenta y nueve {num}  :: eighty-two
ochenta y ocho {num}  :: eighty-eight
ochenta y seis {num}  :: eighty-six
ochenta y siete {num}  :: eighty-seven
ochenta y tres {num}  :: eighty-three
ochenta y uno {num}  :: eighty-one
ochentero {adj} [attributive]  :: 1980s
ochentero {m}  :: Someone born in the 1980s
ochentista {adj} [attributive]  :: eighties (relating to the 1980s, 1880s etc.)
ocho {num} [cardinal]  :: eight
ocho {m}  :: eight
Ochoa {prop}  :: surname
ochocientas {num}  :: feminine of ochocientos
ochocientos {num}  :: eight hundred
ocio {m}  :: leisure, recreation, spare time
ocio {m}  :: diversion
ociosamente {adv}  :: idly
ociosidad {f}  :: idleness, inactivity
ocioso {adj}  :: idle
ocioso {m}  :: idler
ocla {f}  :: seaweed
oclocracia {f}  :: ochlocracy
oclocrático {adj}  :: ochlocratic
ocluir {v} [medicine]  :: to occlude
oclusivo {adj}  :: occlusive
ocote {m} [El Salvador, Guatemala, Honduras, Mexico, Nicaragua]  :: Any of several aromatic, resinous pine species native to Mexico and Central America, especially the Montezuma pine (Pinus montezumae)
ocotillo {m} [Mexico]  :: ocotillo
ocra {m} [El Salvador]  :: okra, Abelmoschus esculentus
ocre {m}  :: ochre
octaédrico {adj}  :: octahedral
octaedro {m} [geometry]  :: octahedron
octagonal {adj}  :: octagonal
octanaje {m}  :: octane rating
octano {m} [organic compound]  :: octane
octanoato {m} [organic chemistry]  :: octanoate
octava {f} [music]  :: octave
octavilla {f}  :: Piece of paper of size 11 × 16 cm, half that of a cuartilla
octavilla {f} [politics]  :: leaflet, flyer
octavilla {f} [poetry]  :: A poem of eight lines consisting of two redondillas which share rhymes
Octavio {prop} {m}  :: given name
octavo {adj}  :: eighth
octavo {m}  :: eighth
octeto {m}  :: octet
octágono {adj}  :: alternative form of octógono
octágono {m}  :: alternative form of octógono
octógono {adj}  :: octagonal
octógono {m}  :: octagon
octillizo {m}  :: octuplet
octingentésimo {adj}  :: eight hundredth
octocoral {m}  :: octocoral
octodecágono {m} [geometry]  :: octadecagon
octogenario {adj}  :: octogenarian
octogenario {m}  :: octogenarian
octogonal {adj}  :: alternative form of octagonal
octogésimo {adj} [ordinal]  :: eightieth
octogésimo {m}  :: eightieth
octosilábico {adj}  :: octosyllabic
octosílabo {adj}  :: octosyllabic
octópodo {adj}  :: octopod (eight-legged)
octópodo {m}  :: octopod
octubre {m}  :: October
ocular {adj}  :: ocular
ocular {m}  :: eyepiece, eyeglass
ocularmente {adv}  :: ocularly, visually, through the use of sight
ocultación {f}  :: occultation
ocultamiento {m}  :: hiding, concealment
ocultar {vt}  :: to hide, to conceal
ocultarse {v}  :: to hide
ocultarse {v}  :: to be hidden
ocultista {mf}  :: occultist
oculto {adj}  :: occult
ocupación {f}  :: occupation (all senses)
ocupacional {adj}  :: occupational
ocupado {adj}  :: busy
ocupado {adj}  :: occupied
ocupadísimo {adj}  :: superlative of ocupado
ocupante {adj}  :: occupying
ocupante {mf}  :: occupant
ocupar {v}  :: to occupy
ocupar {v}  :: to use
ocupar {v}  :: to employ
ocupar {vr}  :: to pay attention to
ocupar {vr}  :: to go about
ocurrencia {f}  :: occurrence
ocurrente {adj}  :: occurrent
ocurrente {adj}  :: saying, meaning, showing or doing unexpected things
ocurrir {v}  :: to happen, to occur
oda {f}  :: ode
odalisca {f}  :: odalisque
Odesa {prop} {f}  :: Odesa (city)
Odessa {prop} {f}  :: alternative form of Odesa
odiar {v}  :: to hate
odiarse {v}  :: reflexive of odiar
odio {m}  :: hate
odioso {adj}  :: hateful, odious
odisea {f}  :: odyssey
Odisea {prop} {f}  :: Odyssey
Odiseo {prop} {m} [mythology]  :: Odysseus
Odín {prop} {m} [Norse mythology]  :: Odin
oído {m}  :: hearing
oído {m}  :: ear (especially the inner parts)
odonato {m}  :: odonate
odontalgia {f} [medicine]  :: toothache
odontóloga {f}  :: feminine noun of odontólogo
odontólogo {m}  :: odontologist; dentist
odontoceto {m}  :: toothed whale
odontológico {adj}  :: odontological, dental
odontología {f}  :: odontology; dentistry
odorífero {adj}  :: odorous, odoriferous
odorífero {adj}  :: smelly
odre {m}  :: goatskin, goatskin wine bag
OEA {initialism}  :: Organización de los Estados Americanos: OAS
oenegé {f}  :: NGO, non-governmental organization
oeste {m}  :: west
Ofelia {prop} {f}  :: given name, equivalent to Ophelia
ofenda {f}  :: insult
ofender {v}  :: to offend
ofenderse {v}  :: reflexive of ofender
ofendido {adj}  :: aggrieved
ofensa {f}  :: insult
ofensa {f}  :: offense
ofensiva {f}  :: offensive
ofensivamente {adv}  :: offensively
ofensividad {f}  :: offensive (attacking play)
ofensivo {adj}  :: offensive
ofensor {adj}  :: offending
ofensor {m}  :: offender
oferente {m}  :: provider (of a service)
oferta {f}  :: offer
ofertante {mf}  :: bidder
ofertar {v}  :: to offer
offline {adj}  :: offline
offshore {adj}  :: offshore
offshore {f}  :: offshore, offshore company
offside {m}  :: An offside position
oficial {adj}  :: official
oficial {mf}  :: officer, official
oficial {mf}  :: clerk, functionary
oficial {mf}  :: office worker, skilled workman
oficial {mf}  :: artisan
oficial {mf}  :: butcher
oficial {mf}  :: executioner
oficialidad {f}  :: officiality
oficialismo {m}  :: ruling party
oficialista {adj}  :: pro-government
oficialista {mf}  :: pro-government supporter
oficialización {f}  :: officialisation
oficializar {v}  :: to make official
oficialmente {adv}  :: officially
oficiante {mf}  :: officiant
oficiar {v}  :: to officiate
oficina {f}  :: office
oficina {f}  :: workshop
oficina {f}  :: laboratory
oficinista {mf}  :: office worker
oficio {m}  :: profession, occupation
oficiosamente {adv}  :: unofficially
oficiosamente {adv}  :: officiously
oficioso {adj}  :: officious
oficioso {adj}  :: unofficial (in contradistinction to oficial)
ofidio {adj}  :: ophidian
ofidio {m}  :: ophidian
ofimática {f}  :: office information technology
ofiolita {f} [geology]  :: ophiolite
Ofiuco {prop} {m}  :: Ophiuchus
ofiura {f}  :: brittlestar
ofiuroideo {m}  :: brittle star, ophiuroid (echinoderm)
ofrecer {v}  :: to offer
ofrecerse {v}  :: reflexive of ofrecer
ofrecido {adj}  :: easy (A person who readily consents to sexual activity)
ofrecimiento {m}  :: offering, offer
ofrenda {f}  :: offering, sacrifice
ofrendar {v}  :: to offer as a gift, to sacrifice
oftalmóloga {f}  :: (female) ophthalmologist
oftalmólogo {m}  :: ophthalmologist
oftalmológico {adj}  :: ophthalmological
oftalmología {f}  :: opthalmology
oftalmoscopio {m}  :: ophthalmoscope
oftálmico {adj}  :: ophthalmic
ofuscación {f}  :: bewilderment, confusion
ofuscación {f}  :: blurring
ofuscación {f}  :: obfuscation (lack of clarity)
ofuscar {v}  :: to obfuscate
ofuscar {v}  :: to confuse
ofuscar {v}  :: to wow, astonish
ogaño {adv}  :: rare spelling of hogaño
oglala {mf}  :: Oglala Lakota tribe member
OGM {initialism}  :: (organismo genéticamente modificado) GMO
ogro {m}  :: ogre
ogro {m}  :: fiend, brute
ogro {m}  :: crank
oh {interj}  :: oh (expression of awe, surprise, pain or realization)
oh Dios mío {phrase}  :: oh my God
Ohio {prop} {m}  :: Ohio
ohm {m}  :: alt form ohmio
ohmio {m}  :: ohm
-oico {suffix} [organic chemistry]  :: -oic
-oide {suffix}  :: -oid
oidor {m} [archaic]  :: judge, magistrate for a royal audiency
oidor {m}  :: hearer
oidora {f}  :: feminine noun of oidor
oiga {interj}  :: hey
ojalá {adv}  :: hopefully (I hope that)
ojalá {interj}  :: I hope so; let’s hope so
ojalá {interj}  :: God willing
ojalá {interj}  :: I hope (that); let’s hope (that) (followed by present subjunctive)
ojalá {interj}  :: God grant (that) (followed by present subjunctive)
ojalá {interj}  :: I wish (when used to refer to past events)
ojal {m}  :: buttonhole
ojal {m}  :: loop
ojeada {f}  :: glance (brief look)
ojeador {m} [hunting]  :: beater
ojeador {m} [sport]  :: scout, talent scout
ojear {v}  :: to glance
ojear {v}  :: to ogle
ojear {v}  :: to put the evil eye (on somebody), to curse by looking with malicious intents
ojera {f} [eyes, skin]  :: coon eyes
ojera {f}  :: ring or bag under the eye
ojeriza {f}  :: spite, ill feeling
ojeriza {f}  :: grudge
ojerudo {adj}  :: big-eared
ojete {m}  :: eyelet, grommet
ojete {m}  :: eye hole
ojete {m} [colloquial]  :: anus
ojete {m} [Argentina]  :: anal orifice
ojete {m} [Mexico]  :: wicked, mean, bad person
ojete {m} [slang as epithet]  :: asshole
ojialegre {adj}  :: laughing-eyed
ojiazul {adj}  :: blue-eyed
ojigarzo {adj}  :: blue-eyed
ojijunto {adj}  :: Having eyes very close to each other
ojimoreno {adj}  :: dark-eyed, brown-eyed
ojinegro {adj}  :: dark-eyed, black-eyed
ojiplático {adj}  :: agog, wide-eyed
ojito {m}  :: diminutive of ojo
ojituerto {adj}  :: cross-eyed, cock-eyed
ojiva {f}  :: ogive
ojiva {f}  :: warhead
ojiverde {adj}  :: green-eyed
ojizarco {adj}  :: blue-eyed
ojón {m}  :: Someone with big or very open eyes
ojón {m}  :: A particular fish, having very large eyes
ojón {adj}  :: Having big or very open eyes
ojo {m}  :: eye
ojo {m}  :: keyhole
ojo {interj}  :: look! watch out!
ojo de agua {m}  :: spring (place where water emerges from the ground)
ojo de buey {m}  :: bullseye (glass)
ojo por ojo, diente por diente {phrase}  :: eye for an eye, a tooth for a tooth
ojos que no ven, corazón que no siente {proverb}  :: out of sight, out of mind
ojota {f} [Chile, Argentina, Peru]  :: flip-flop (artisanal type)
ojote {m}  :: augmentative of ojo
ojudo {adj} [El Salvador, Honduras]  :: with big eyes
ojushte {m} [El Salvador]  :: breadnut, Maya nut (Brosimum alicastrum)
okay {interj}  :: OK (endorsement; approval)
okey {interj}  :: okay, OK
okey {m}  :: okey (game)
Oklahoma {prop} {f}  :: Oklahoma
okume {m}  :: The wood of the tree Aucoumea klaineana
okupa {mf} [slang, Spain]  :: squatter; squat
okupación {f} [slang, Spain]  :: squatting
okupado {adj} [slang, Spain]  :: squatted
okupar {v} [slang, Spain]  :: to squat
olé {interj}  :: An expression of encouragement and approval
ola {f}  :: wave (on the surface of a liquid)
ola {f} [figuratively]  :: sudden appearance of a large amount of something
ola de calor {f}  :: heat wave, hot spell
olalia {f}  :: olallieberry
olíbano {m}  :: frankincense
olécranon {m}  :: olecranon
oleada {f}  :: wave
oleaginoso {adj}  :: oleaginous (oily)
oleaginoso {adj} [of a plant]  :: producing oily fruit
oleaje {m} [hydrography]  :: surf
oleato {m}  :: oleate
oleícola {adj} [attributive]  :: olive oil
olefina {f} [organic chemistry]  :: olefin
oleico {adj}  :: oleic
oleicultura {f}  :: olivegrowing and olive oil production
Oleksandr {prop} {m}  :: Oleksandr (transliteration of Олександр)
Olenekiense {prop}  :: Olenekian
oleoducto {m}  :: oil pipeline
oleoplasto {m} [cytology]  :: oleoplast
oler {vt}  :: to smell, to perceive by scent
oler {vi}  :: to smell, to emit an odour
olerse la tostada {v} [idiomatic]  :: to smell a rat
oleuropeína {f} [organic compound]  :: oleuropein
oleyliberi {f}  :: olallieberry
olfatear {v}  :: to sniff
olfativo {adj}  :: olfactory
olfato {m}  :: smell, olfaction, sense of smell (sense that detects smells)
olfatorio {adj}  :: olfactory
Olga {prop} {f}  :: given name
ológrafo {adj}  :: holographic (handwritten by a single writer)
olido {v}  :: past participle of oler
oliente {adj}  :: smelling, smelly
oligarca {mf}  :: oligarch (a member of an oligarchy)
oligarquía {f}  :: oligarchy
oligisto {m} [obsolete, mineral]  :: hematite
oligómero {m}  :: oligomer
oligoelemento {m}  :: trace element
oligonucleótido {m} [biochemistry]  :: oligonucleotide
oligopolio {m}  :: oligopoly
oligopolización {f}  :: oligopolization
oligopolístico {adj}  :: oligopolistic
oligoqueto {m}  :: oligochaete
oligosacárido {m} [carbohydrate]  :: oligosaccharide
oligárquico {adj}  :: oligarchic (of or relating to oligarchy)
olimpíada {f}  :: olympiad
olimpíada {f}  :: Olympics
olimpiada {f}  :: olympiad
olimpismo {m}  :: Olympism
olimpista {adj}  :: Of or associated with Club Olimpia
olimpista {mf}  :: Someone associated with Club Olimpia, as a fan, player, coach etc
olimpo {m}  :: hall of fame
Olimpo {prop} {m}  :: Olympus
olingo {m}  :: olingo
olinguito {m}  :: olinguito
olio {m}  :: alternative form of óleo
olisquear {v}  :: to sniff at
oliva {f}  :: olive (fruit)
oliva {f}  :: olive tree
oliva {f}  :: owl
olivar {adj}  :: olive color
olivar {m}  :: olive grove
olivarero {adj} [attributive]  :: olive
olivarero {m}  :: olivegrower
olivino {m}  :: olivine (family of minerals)
olivo {m}  :: olive tree
olla {f}  :: a pot or pan; a kettle
olla {f}  :: a stew
olla {f}  :: a pool, a whirlpool
olla a presión {f}  :: pressure cooker
ollada {f} [Central America]  :: the content of a pot
olla de presión {f}  :: pressure cooker
olla podrida {f}  :: olla podrida (stew of seasoned meat and vegetables)
olluco {m}  :: Ullucus tuberosus, the ulluco
olmeca {adj}  :: Olmec
olmeca {mf}  :: Olmec
olmo {m}  :: elm
olímpicamente {adv}  :: completely, utterly, epically
olímpico {adj}  :: Olympic (pertaining to Mount Olympus)
olímpico {adj}  :: Olympic (pertaining to the Olympics)
olímpico {adj}  :: utter, total, epic
olímpico {m}  :: Olympian
olor {m}  :: smell, scent
olorcillo {m}  :: whiff (faint smell)
olorosito {m}  :: diminutive of olor
oloroso {adj}  :: sweet (having a pleasant smell)
oloroso {adj}  :: odorous
olote {m} [Central America, Mexico]  :: corncob
Oltenia {prop} {f}  :: Oltenia (historical region)
olívico {adj}  :: From Vigo, Spain
olívico {m}  :: Someone from Vigo, Spain
olvidable {adj}  :: forgettable
olvidadizo {adj}  :: forgetful
olvidado {adj}  :: forgotten
olvidar {v}  :: to forget; to elude, to escape (be forgotten by)
olvido {m}  :: oblivion
olvido {m}  :: forgetting, ending of memory
olvido {m}  :: Idea meaning an abstract place to put what is wanted to be forgotten, as in the collocation consign to oblivion
-oma {suffix} [pathology]  :: -oma
omaní {adj}  :: Omani
omaní {mf}  :: Omani
Omar {prop} {m}  :: given name
omaso {m}  :: omasum
omatidio {m} [zoology]  :: ommatidium
ombú {m}  :: A large evergreen tree native to the Pampa of South America, Phytolacca dioica
ombligo {m}  :: navel (remnant of umbilical cord)
ombre {m}  :: obsolete spelling of hombre
ombrófilo {adj}  :: ombrophilous
ombrotrófico {adj}  :: ombrotrophic
OMC {prop}  :: initialism of w:Organización Mundial de Comercio (WTO (World Trade Organisation))
omega {f}  :: omega; the Greek letter Ω, ω
omeya {m}  :: Umayyad
omeya {adj}  :: Umayyad
OMG {initialism}  :: alternative form of OGM
ominar {v}  :: to omen
ominosamente {adv}  :: ominously
ominoso {adj}  :: ominous
omisible {adj}  :: omissible
omisión {f}  :: omission
omiso {adj}  :: neglectful, careless
omitir {vt}  :: to omit
Omán {prop}  :: Oman (country in the Middle East)
omnipotencia {f}  :: omnipotence (unlimited power)
omnipotente {adj}  :: omnipotent
omnipresencia {f}  :: omnipresence
omnipresente {adj}  :: omnipresent
omnisapiente {adj}  :: omniscient
omnisciencia {f}  :: omniscience
omnisciente {adj}  :: omniscient
omniteísmo {m}  :: omnitheism
omnímodo {adj}  :: all-embracing, all-enclosing
omoplato {m}  :: alternative form of omóplato
omóplato {m}  :: scapula
OMS {initialism}  :: Organización Mundial de la Salud; WHO
-on {suffix}  :: forming nouns and adjectives from nouns, adjectives and verbs, with augmentative, intensive or expressive meaning
-on {suffix} [physics and biology]  :: -on
-ona {suffix}  :: feminine noun of -ón
-ona {suffix} [organic chemistry]  :: -one
onagra {f}  :: evening primrose
onagro {m}  :: onager (wild ass)
onagro {m}  :: onager (military engine)
onanista {adj}  :: onanistic
onanista {mf}  :: onanist
-onas {suffix}  :: feminine plural of -ón
once {num} [cardinal]  :: eleven
once {f} [Latin American Spanish]  :: snack (bread with tea or coffee)
onceavo {adj}  :: eleventh
onceavo {m}  :: eleventh
onceno {adj}  :: eleventh
onceno {m}  :: eleventh
oncóloga {f}  :: feminine noun of oncólogo
oncólogo {m}  :: oncologist (one who specialises in oncology)
oncocercosis {f}  :: onchocerciasis
oncogén {m}  :: oncogene
oncológico {adj}  :: oncological
oncología {f}  :: oncology (branch of medicine)
onda {f}  :: wave (on the surface of a liquid)
onda {f}  :: Any other wave (including technological use)
onda {f} [Chile]  :: style, fashion
onda {f}  :: vibe or mood
onda acústica {f}  :: sound wave
onda de calor {f}  :: heatwave
onda electromagnética {f}  :: electromagnetic wave
onda gravitacional {f}  :: gravitational wave
onda senoidal {f} [trigonometry]  :: sine wave
onda sonora {f}  :: sound wave
onda verde {f}  :: green wave
ondear {v}  :: to wave
ondear {v}  :: to undulate
ondear {v}  :: to flutter, flap
ondulación {f}  :: undulation
ondulación {f} [physics]  :: permanent wave
ondulación {f}  :: permanent wave, perm (hairstyle)
ondulante {adj}  :: waving, undulating
ondular {v}  :: to wave
ondulatorio {adj}  :: undulating
ondulatorio {adj}  :: wave (attributive, physics)
oneroso {adj}  :: onerous
ONG {initialism}  :: NGO (non-governmental organisation)
onicomicosis {f}  :: onychomycosis
online {adj}  :: online
onomasiología {f}  :: onomasiology
onomatopeya {f}  :: onomatopoeia
onomatopéyico {adj}  :: onomatopoeic
onomástico {adj}  :: onomastic (relating to a personal or place name)
onírico {adj}  :: oneiric
onírico {adj} [attributive]  :: dream
onsen {m}  :: onsen
ONT {initialism}  :: abbreviation of Organización Nacional de Transplantes
ontogenia {f}  :: ontogeny
ontogenético {adj} [biology]  :: ontogenetic, ontogenic
ontológicamente {adv}  :: ontologically
ontológico {adj}  :: ontological
ontología {f}  :: ontology
ONU {initialism} [politics, government]  :: initialism of Organización de las Naciones Unidas (UNO (United Nations Organization))
onubense {adj}  :: Of or pertaining to Huelva (city in Spain)
onubense {mf}  :: A native or inhabitant of Huelva
onusto {adj}  :: loaded, heavy
onusto {adj}  :: laden, burdened
onusto {adj}  :: pressured
onza {f}  :: Ounce
onza {f}  :: Ounce; snow leopard
onza troy {f}  :: troy ounce
onze {num}  :: obsolete spelling of once
oobleck {m}  :: oobleck
oolito {m} [geology]  :: oolite
oolong {m}  :: oolong
oolítico {adj} [geology]  :: oolitic
oosfera {f} [botany]  :: oosphere
oospora {f} [botany]  :: oospore
ooteca {f}  :: ootheca
opacar {vt}  :: to overshadow
opacidad {f}  :: opacity
opacificación {f}  :: opacification
opaco {adj}  :: opaque
opalescente {adj}  :: opalescent
opción {f}  :: option
opcional {adj}  :: optional
opcionalmente {adv}  :: optionally
open {m} [sports]  :: open
O.P.E.P. {prop}  :: organización de los países exportadores de petróleo, OPEC
operabilidad {f}  :: operability
operable {adj}  :: operable (able to be treated by surgery)
operación {f} [computing, mathematics]  :: operation
operacional {adj}  :: operational, effective, operative
operacional {adj}  :: working
operador {m}  :: operator
operadora {f}  :: feminine noun of operador, (female) operator
operar {v}  :: to operate
operaria {f}  :: working woman
operario {m}  :: operative
operario {m}  :: workman
operarse {v}  :: reflexive of operar
operatividad {f}  :: operativeness
operativizar {vt}  :: to make something operative, to put something into operation
operativo {adj}  :: operative
operativo {m}  :: operation
operatorio {adj}  :: operational
operatorio {adj}  :: operable
opereta {f} [music]  :: operetta
operista {mf}  :: opera singer
operístico {adj}  :: operatic
operático {adj}  :: operatic
opiáceo {adj}  :: opiate
opimo {adj}  :: rich, fertile, lush
opinable {adj}  :: opinable, thinkable
opinador {m}  :: opiner, thinker
opinante {adj}  :: opinionated, critical
opinar {v}  :: to think; to be of the opinion
opinar {v}  :: to express one's opinion; to opine
opinión {f}  :: opinion
opinóloga {f} [Latin America]  :: opinionated person, especially one who expresses their opinions about all kinds of topics on television
opinólogo {m} [Latin America]  :: opinionated person, especially one who expresses their opinions about all kinds of topics on television
opio {m}  :: opium
opioide {adj}  :: opioid
opioide {m}  :: opioid
opistosoma {m} [anatomy]  :: opisthosoma
oponente {mf}  :: opponent
oponer {vt}  :: to pit (one thing against another); to set in opposition
oponer {vt}  :: to put up (resistance etc.)
oponer {vr}  :: to be opposed, to be in opposition
oponerse {vr}  :: to oppose one another
oponible {adj}  :: opposable (placed opposite something else)
oporto {m}  :: port wine
Oporto {prop}  :: Oporto (city)
oportunamente {adv}  :: opportunely, timely
oportunidad {f}  :: opportunity (in both senses: “chance for advancement, progress or profit” and “favorable circumstance or occasion”)
oportunismo {m}  :: opportunism
oportunista {adj}  :: opportunistic
oportunista {mf}  :: opportunist
oportuno {adj}  :: opportune
oportuno {adj}  :: suitable, appropriate
oposición {f}  :: opposition
oposición {f} [Spain]  :: public exam
oposicionista {adj}  :: opposition
oposicionista {mf}  :: oppositionist (member of an opposition)
opositar {v} [Spain]  :: to take the oposiciones (public exams)
opositor {adj}  :: opposition
opositor {m}  :: opponent
opresión {f}  :: oppression
opresivo {adj}  :: oppressive
opresor {m}  :: oppressor (one who oppresses)
opresora {f}  :: oppressor
oprimir {v}  :: to press (e.g., a button or key on a telephone or keyboard)
oprimir {v}  :: to oppress
oprobio {m}  :: opprobrium
oprobioso {adj}  :: opprobrious, disgraceful
ops {m}  :: acknowledgment of a minor mistake, oops
opúsculo {m}  :: opuscule, tract, short essay
opsonina {f} [biology]  :: opsonin
optante {adj}  :: opting
optar {v}  :: to opt
optativo {adj}  :: optional (left to personal choice)
optativo {m}  :: optative (mood of verbs)
optimar {v}  :: to optimize
optimismo {m}  :: optimism
optimista {adj}  :: optimistic
optimista {mf}  :: optimist
optimistamente {adv}  :: optimistically
optimización {f}  :: optimisation
optimizar {v}  :: to optimize
optómetra {mf}  :: optometrist
optometría {f}  :: optometry
opuesto {adj}  :: opposed
opuesto {adj}  :: opposite
opuesto {adj}  :: contrary
opugnar {v}  :: to attack
opugnar {v}  :: to contradict, oppose
opulencia {f}  :: opulence, luxury
opulento {adj}  :: rich, wealthy, opulent
oquedad {f}  :: hollow, hollow space, cavity, hole
oquedad {f}  :: insubstantiality of speech or talk
oír {vi}  :: to hear
oír {vt}  :: to hear (passively perceive a sound)
oír {vt}  :: to listen to (actively pay attention to a sound or a person speaking)
oír {vt}  :: to heed; to listen to
oración {f}  :: sentence
oración {f}  :: clause
oración {f}  :: prayer
oración {f}  :: oration
oración final {f}  :: final clause
oración subordinada {f}  :: subordinate clause
oracular {adj}  :: oracular
orador {m}  :: orator
oradora {f}  :: feminine noun of orador
oral {adj}  :: oral
oralidad {f}  :: orality (state of being oral)
oralización {f}  :: oralization/oralisation
oralizar {v}  :: to oralize/oralise
oralmente {adv}  :: orally
orangismo {m}  :: Orangeism
orangután {m}  :: orangutan
orar {v}  :: to pray
orate {mf} [pejorative]  :: A crazy person
oratoria {f}  :: oratory
oratorio {adj}  :: oratorical
orbe {m}  :: orb
orbe {m}  :: world
orbe {m}  :: globefish
orbe {m}  :: mound (part of the regalia)
orbicular {m}  :: orbicular muscle
orbicular de los párpados {m}  :: orbicularis oculi, orbicularis oculi muscle
orbital {adj}  :: orbital
orbital {m} [chemistry]  :: orbital
orbitar {v}  :: to orbit
orca {f}  :: orca, killer whale
orco {m}  :: Orcus
orco {m} [poetic]  :: hell
orco {m}  :: orc
orco {m}  :: male orca, killer whale
oráculo {m}  :: oracle
ordalía {f}  :: ordeal, trial
ordeñador {adj}  :: milking
ordeñador {m}  :: milker (person who milks)
ordeñadora {f}  :: milkmaid (female milker)
ordeñadora {f}  :: milker, milking machine (machine which milks)
ordeñar {v}  :: to milk (to express milk from mammal)
ordeñar {v} [figurative, colloquial]  :: to milk (get the most advantage out of someone or something)
orden {f}  :: order (command)
orden {f}  :: order (request, purchase, or food)
orden {f}  :: order (decoration)
orden {f} [military]  :: order
orden {f} [religion]  :: order
orden {m}  :: order (arrangement, sequence, organization)
orden {m}  :: orderliness
orden {m}  :: good behavior
orden {m} [taxonomy]  :: order
orden {m} [mathematics]  :: order (highest exponent)
ordenación {f}  :: ordination
ordenada {f}  :: ordinate
ordenadamente {adv}  :: orderly
ordenado {adj}  :: ordered
ordenador {m} [Spain]  :: computer
ordenador de sobremesa {m}  :: desktop computer
ordenador portátil {m}  :: notebook (computer), laptop
ordenamiento {m}  :: legislation
ordenamiento {m}  :: ordering, arranging
ordenanza {mf}  :: orderly
ordenanza {mf}  :: messenger
ordenanza {mf} [feminine only]  :: ordinance
ordenar {v}  :: to order
ordenar {v}  :: to sort
ordenar {v}  :: to enjoin
orden de alejamiento {f}  :: restraining order
ordeño {m}  :: milking
Ordóñez {prop}  :: surname
ordinal {adj}  :: ordinal
ordinalidad {f}  :: ordinality
ordinariamente {adv}  :: ordinarily
ordinariez {f}  :: ordinarity
ordinario {adj}  :: ordinary
Ordoño {prop}  :: given name
orear {v}  :: to air
orebce {m} [archaic]  :: goldsmith
Oregón {prop} {m}  :: Oregon
oreja {f}  :: ear
oreja de mar {f}  :: abalone (edible univalve mollusc)
orejas de burro {m} [nautical, idiom]  :: goose wing
orejera {f}  :: earflap
orejera {f}  :: earmuff
orejera {f}  :: blinder (for horses)
orejera {f}  :: earpad
orejera {f}  :: ear armour
orejera {f}  :: plug (jewellery for the ear)
orejita {f}  :: diminutive of oreja
orejota {f}  :: augmentative of oreja
orejudo {adj}  :: big-eared
orejuela {f}  :: The earlike handle of a tray, bowl or other such utensil
orellano {adj} [archaic]  :: remote, separated
orensano {adj}  :: Of, from, or related to, Ourense
orensano {m}  :: Someone from Ourense
orense {adj}  :: Of or from El Oro Province, Ecuador
orense {mf}  :: An inhabitant of El Oro Province, Ecuador
Orense {prop} {f}  :: Orense (province)
Orense {prop} {f}  :: Orense (city)
oreo {m}  :: breeze
oreo {m}  :: fresh air
oreodonte {m}  :: oreodont
orfanato {m}  :: orphanage
orfanatorio {m}  :: orphanage
orfandad {f}  :: orphanage
orfandad {f}  :: hopelessness
orfebre {mf}  :: goldsmith
orfebrería {f}  :: gold work, goldsmithing
orfelinato {m}  :: orphanage
orfeón {m}  :: choir (singing group)
Orfeo {prop} {m} [Greek mythology]  :: Orpheus
orgía {f}  :: orgy
organdí {m}  :: organdy
organela {f}  :: organelle
organelo {m}  :: organelle
organógeno {adj}  :: organogenic
organicidad {f}  :: organicity
organigrama {f}  :: organization chart
organillero {m}  :: organ grinder
organillo {m}  :: street organ
organismo {m}  :: organism, creature
organismo {m}  :: human body
organismo {m}  :: organization, committee, body
organismo {m}  :: corporate body
organista {mf}  :: organist
organización {f}  :: organization
Organización de las Naciones Unidas {f}  :: United Nations
organizacional {adj}  :: organizational
organizadamente {adv}  :: in an organized manner
organizado {adj}  :: organized
organizador {m}  :: organizer
organizadora {f}  :: feminine noun of organizador
organizar {v}  :: to organize
organizarse {v}  :: reflexive of organizar
organizativamente {adv}  :: organizationally
organizativo {adj}  :: organizational
orégano {m}  :: oregano, pot marjoram (Origanum vulgare)
organoclorado {m} [organic chemistry]  :: organochlorine
organofosfato {m}  :: organophosphate
organogénesis {f} [biology]  :: organogenesis
organografía {f}  :: organography
organolitio {m} [organic chemistry]  :: organolithium
organometálico {adj}  :: organometallic
organza {f}  :: organza
orgasmo {m}  :: orgasm
orgasmo múltiple {m}  :: multiple orgasm
orgiástico {adj}  :: orgiastic
orgánicamente {adv}  :: organically
orgánico {adj}  :: organic
orgánulo {m}  :: organelle
orgásmicas {adj}  :: feminine plural of orgásmico
orgásmico {adj}  :: orgasmic
orgullo {m}  :: pride (state of being proud)
orgullo {m}  :: pride (sense of self-worth)
orgullo {m}  :: pride (something of which one is proud)
orgullosamente {adv}  :: proudly
orgulloso {adj}  :: proud
oribe {m} [archaic]  :: goldsmith
orictognosía {f} [obsolete]  :: oryctognosy
orictología {f} [obsolete]  :: oryctology
orientación {f}  :: orientation
orientación familiar {f}  :: home teaching
orientación sexual {f}  :: sexual orientation
orientador {m}  :: school counselor
orientadora {f}  :: feminine noun of orientador
oriental {adj}  :: eastern
oriental {adj}  :: Oriental
oriental {adj} [dated, Argentina]  :: Uruguayan
orientalista {adj}  :: orientalist
orientalista {mf}  :: orientalist
orientalizante {adj}  :: orientalizing
orientar {v}  :: to orient
orientarse {v}  :: reflexive of orientar
orientativo {adj}  :: indicative
oriente {m}  :: east
Oriente {prop} {m}  :: Orient (countries of Asia)
Oriente Cercano {prop} {m}  :: Near East
Oriente Medio {prop} {m}  :: Middle East (region comprising southwest Asia and northeast Africa)
Oriente Próximo {prop} {m}  :: Near East
orificio {m}  :: orifice
oriflama {f}  :: Oriflamme
origami {m}  :: origami
origen {m}  :: origin
original {adj}  :: original
originalidad {f}  :: originality
originalmente {adv}  :: originally
originar {v}  :: to originate
originar {vt}  :: to start
originar {vt}  :: to give rise to, to cause
originariamente {adv}  :: originally
originario {adj}  :: original
originario {adj}  :: native
orilla {f}  :: shore or bank of a watercourse
orilla {f}  :: edge, border
orillar {vt}  :: to fix, to solve
orillar {vt}  :: to avoid, to skirt
orillar {vi}  :: to pull over (to the side of a road, etc.)
orillero {adj}  :: lower-class, common, vulgar
orillita {f}  :: diminutive of orilla
orillo {m}  :: selvage [US], selvedge [UK]
Orión {prop} {m} [mythology]  :: Orion
Orión {prop} {m} [constellation]  :: Orion
orina {f}  :: urine
orinal {m}  :: chamber pot
orinar {v}  :: to urinate
orinarse {v}  :: reflexive of orinar
orinoquense {adj}  :: Orinocan; of or from Orinoco
orinoquense {mf}  :: Orinocan; someone from Orinoco
Oriol {prop} {m}  :: given name
orisha {m}  :: orisha
Oristán {prop} {m}  :: Oristano
orito {m} [Latin America]  :: A type of bright yellow, sweet miniature banana
oriunda {f}  :: feminine of oriundo
oriundo {adj}  :: native to
oriundo {m}  :: native
orla {f} [heraldiccharge]  :: orle
orla {f}  :: border; trim
orlar {v}  :: to trim
orlar {v}  :: to add a border to
orín {m}  :: rust [caused by moisture]
orín {m} [usually, in the plural]  :: urine
ornamentación {f}  :: ornamentation
ornamental {adj}  :: ornamental
ornamentar {v}  :: to adorn or ornament
ornamento {m}  :: ornament
ornar {v}  :: to adorn
ornato {m} [formal]  :: ornament
ornitina {f} [amino acid]  :: ornithine
ornitisquio {m}  :: ornithischian
ornitóloga {f}  :: ornithologist
ornitólogo {m}  :: ornithologist
ornitofobia {f}  :: ornithophobia
ornitológico {adj}  :: ornithological
ornitología {f}  :: ornithology
ornitomancía {f}  :: alternative spelling of ornitomancia
ornitomancia {f}  :: ornithomancy
ornitomímido {m}  :: ornithomimid
ornitorrinco {m}  :: platypus
ornitópodo {m}  :: ornithopod
oro {m}  :: gold
oro {adj} [heraldry]  :: or
orogénesis {f} [geology]  :: orogenesis
orografía {f}  :: orography (all senses)
orográfico {adj}  :: orographic
orondo {adj}  :: rotund, pot-bellied
orondo {adj}  :: rounded
orondo {adj}  :: smug
oro negro {m}  :: black gold
oronja {f}  :: Any of several species of fungus of the genus Amanita
oronja {f}  :: Caesar's mushroom
oronja falsa {f}  :: fly agaric
oronja verde {f}  :: death cap
oropel {m}  :: tinsel
oropel {m} [figurative]  :: faff
oropimente {m} [mineral]  :: orpiment
oropéndola {f}  :: oriole
orozuz {m} [plant]  :: licorice
orquídea {f}  :: orchid
orquesta {f}  :: orchestra
orquestación {f}  :: orchestration
orquestal {adj}  :: orchestral
orquestar {v}  :: to orchestrate
orquestra {f}  :: orchestra
orquideario {m}  :: orchidarium
orquidectomía {f} [surgery]  :: orchidectomy
orquideología {f}  :: orchidology
orquidióloga {f}  :: feminine noun of orquidiólogo
orquidiólogo {m}  :: orchidologist
orquidóloga {f}  :: feminine noun of orquidólogo
orquidólogo {m}  :: orchidologist
orquiectomía {f}  :: orchiectomy
oírse {v}  :: reflexive of oír
Ortega {prop}  :: surname
orteguianamente {adv}  :: in such a way atypical of José Ortega y Gasset, a Spanish philosopher
orteguiano {adj}  :: Of or relating to José Ortega y Gasset, a Spanish philosopher
ortesis {f}  :: orthosis
ortógrafa {f}  :: feminine noun of ortógrafo
ortógrafo {m}  :: orthographer
ortiga {f}  :: nettle (plant)
Ortiz {prop}  :: surname
orto {m}  :: sunrise
orto {m} [vulgar, vesre, Chile, Argentina, Uruguay]  :: arse, anus
orto- {prefix}  :: ortho-
ortobirrotonda {f} [geometry]  :: orthobirotunda
ortoclasa {f} [mineral]  :: orthoclase
ortodóncico {adj}  :: orthodontic
ortodoncia {f}  :: orthodontics
ortodoncista {mf}  :: orthodontist
ortodoxamente {adv}  :: orthodoxly
ortodoxia {f}  :: orthodoxy (all senses)
ortodoxo {adj}  :: orthodox
ortodoxo {adj}  :: Orthodox
ortoedro {m} [geometry]  :: cuboid
ortogneis {m} [geology]  :: orthogneiss
ortogonal {adj}  :: orthogonal
ortografía {f}  :: orthography
ortografía {f}  :: spelling (specific way of spelling a word)
ortografía {f}  :: spelling (a person's ability to spell words)
ortographía {f}  :: obsolete spelling of ortografía
ortográfico {adj}  :: orthographic
ortomolecular {adj}  :: orthomolecular
ortonitrato {m} [inorganic chemistry]  :: orthonitrate
ortopédica {f}  :: feminine noun of ortopédico
ortopédicamente {adv}  :: orthopedically
ortopédico {adj}  :: orthopedic
ortopédico {m}  :: orthopedist
ortopeda {mf}  :: orthopedist
ortopedia {f} [medicine]  :: orthopedics
ortopedista {mf}  :: orthopedist
ortopnea {f}  :: orthopnea
ortosa {f} [mineral]  :: orthoclase
ortosimpático {adj}  :: orthosympathetic
ortoéster {m} [organic chemistry]  :: orthoester
ortotópico {adj}  :: orthotopic
ortovoltaje {m}  :: orthovoltage
ortóptero {m}  :: orthopteran
ortóptico {adj}  :: orthoptic
oruga {f}  :: caterpillar (insect or vehicle)
oruga {f}  :: arugula (plant)
orujo {m}  :: orujo
orujo {m}  :: The solid remains of juiced grapes or olives
orureño {adj}  :: Of, from, or in the style of the Bolivian department (region) of Oruro
orvallo {m} [Spain]  :: drizzle
orwelliano {adj}  :: Orwellian
orzuelo {m}  :: stye
os {pron}  :: you, to you, for you; dative and accusative of vosotros
osa {f}  :: she-bear, female bear
-osa {suffix}  :: feminine singular of -oso
-osa {suffix} [biochemistry]  :: -ose (forms names of sugars)
osadía {f}  :: boldness
osadía {f}  :: audacity
osado {adj}  :: daring, bold
osamenta {f}  :: skeleton
osar {vi}  :: to dare
osario {m}  :: ossuary
osasunista {adj} [soccer]  :: Associated with Club Atlético Osasuna, a football club from Pamplona
osasunista {mf} [soccer]  :: Someone associated with Club Atlético Osasuna
oscarizado {adj}  :: Oscar-winning
oscense {adj}  :: From Huesca
oscense {mf}  :: Someone from Huesca
oscilación {f}  :: oscillation
oscilador {m}  :: oscillator
oscilador armónico {m} [physics]  :: harmonic oscillator
oscilante {adj}  :: oscillating
oscilar {v}  :: to oscillate
osciloscopio {m}  :: oscilloscope
osco {adj}  :: Oscan
oscurantismo {m}  :: obscurantism
oscurantista {mf}  :: obscurantist
oscurecer {v}  :: to darken
oscurecimiento {m}  :: darkening, dimming
oscuridad {f}  :: darkness, obscurity
oscurito {adj}  :: diminutive of oscuro
oscuro {adj}  :: dark (lacking light)
oscuro {adj}  :: dark (of a color, deep in hue)
oscuro {adj}  :: obscure, incomprehensible
oscuro {adj}  :: suspicious, unclear
oscurísimo {adj}  :: superlative of oscuro
o sea {adv} [colloquial]  :: I mean; that is to say; used to introduce a new idea or explain a previous one
osear {v}  :: to shoo away
Oseas {prop} {m} [bible]  :: Hosea (the book of the Bible)
Osetia {prop} {f} [geography]  :: Ossetia
Osetia del Norte {prop} {f}  :: North Ossetia
Osetia del Sur {prop} {f}  :: South Ossetia
osetio {m}  :: Ossetian (language)
osezna {f}  :: (female) bear cub
osezno {m}  :: bear cub
osicón {m}  :: informer, tattler
osicona {f}  :: feminine noun of osicón
osiriaco {adj}  :: Osirian
Osiris {prop} {m} [Egyptian mythology]  :: Osiris
osito {m}  :: diminutive of oso, little bear
osito {m}  :: (a lovable man) teddy bear
osito de peluche {m}  :: teddy bear
osmio {m}  :: osmium
osmorregulación {f}  :: osmoregulation
osmótico {adj}  :: osmotic
-oso {suffix}  :: -ous, -ful, -y
oso {m}  :: bear
oso {m} [slang]  :: bear (large hairy man, especially homosexual)
oso blanco {m}  :: polar bear
oso de agua {m}  :: A tardigrade, water bear
oso de anteojos {m}  :: spectacled bear
oso hormiguero {m}  :: anteater
oso hormiguero {m}  :: An uncircumcised penis, a cheeser
oso hormiguero gigante {m}  :: giant anteater
oso Kodiak {m}  :: Kodiak bear
oso lavador {m}  :: raccoon
oso malayo {m}  :: sun bear
oso marino ártico {m}  :: northern fur seal
oso negro {m}  :: black bear
oso panda {m}  :: panda; panda bear
oso pardo {m}  :: brown bear (Ursus arctos)
oso polar {m}  :: polar bear
ososo {adj}  :: with bones
ososo {adj}  :: related to bones
oso tibetano {m}  :: Asian black bear; moon bear
oso viscoso {m}  :: gummy bear
osso {m}  :: obsolete spelling of oso
ossobuco {m}  :: osso buco
osteóloga {f}  :: osteologist
osteólogo {m}  :: osteologist
ostensible {adj}  :: ostensible, apparent
ostensiblemente {adv}  :: ostensibly
ostentación {f}  :: ostentation, boastfulness
ostentación {f}  :: conceit
ostentar {v}  :: to display or flaunt
ostentoso {adj}  :: flashy; showy
osteoartritis {f}  :: osteoarthritis
osteocondritis {f}  :: osteochondritis
osteocondrosis {f} [pathology]  :: osteochondrosis
osteofito {m}  :: osteophyte
osteogénesis {f}  :: osteogenesis
osteología {f}  :: osteology
osteomielitis {f}  :: osteomyelitis
osteomuscular {adj}  :: osteomuscular
osteonecrosis {f}  :: osteonecrosis
osteopatía {f}  :: osteopathy
osteoporosis {f}  :: osteoporosis
osteoporótico {adj}  :: osteoporotic
osteopático {adj}  :: osteopathic
osteosarcoma {f}  :: osteosarcoma
osteosíntesis {f} [surgery]  :: osteosynthesis
osteotomía {f}  :: osteotomy
ostia {f}  :: common misspelling of hostia
ostión {m} [Mexico]  :: oyster (particularily from genus Crassostrea), specially when prepared or served for food
ostionería {f} [Mexico]  :: synonym of ostionera (oyster bar)
ostionera {f} [Mexico]  :: an oyster bar; a place where oysters can be bought (and eaten)
ostomía {f} [surgery]  :: ostomy
ostra {f}  :: oyster
ostracismo {m}  :: ostracism (exclusion from a community)
ostras {interj} [euphemism]  :: shoot, shank, sugar (euphemised form of "shit")
ostrácodo {m}  :: ostracod
ostrería {f} [Mexico]  :: synonym of ostionera (oyster bar)
ostrero {m}  :: oystercatcher (bird)
ostrero {m}  :: oyster farm
ostrogodo {adj}  :: Ostrogothic
ostrogodo {m}  :: Ostrogoth
Osvaldo {prop} {m}  :: alternative form of Oswaldo
Oswaldo {prop}  :: given name, equivalent to the English Oswald
otaku {mf} [fandom]  :: otaku (one with an obsessive interest in something such as anime or manga)
otalgia {f} [pathology]  :: otalgia; earache
OTAN {prop} {f}  :: NATO (North Atlantic Treaty Organization)
otar {v} [archaic]  :: to spot; espy (from somewhere high)
otario {m} [Lunfardo]  :: sucker
otario {m} [Lunfardo]  :: sea lion
otavaleño {m}  :: An inhabitant of Otavalo
otavaleño {adj}  :: From or located at Otavalo
Otavalo {prop} {m}  :: Otavalo
-ote {suffix}  :: emphasizes size
-ote {suffix}  :: emphasizes contempt for subject
otear {v}  :: to survey
otear {v}  :: to size up
Otelo {prop} {m}  :: Othello (Shakespeare character)
otero {m}  :: knoll
otitis {f}  :: otitis
otoñada {f}  :: autumn time
otoñal {adj}  :: autumnal
otolito {m} [zoology]  :: otolith
otomí {mf}  :: A member of the Otomi people
otomí {adj}  :: Of or pertaining to the Otomi people and their language
otomí {m}  :: the Otomi language
otomano {adj}  :: Ottoman (relating to the empire centred in Turkey from the 14th century to the 20th)
otomano {m}  :: Ottoman (Turk from the Ottoman Empire)
otomán {m}  :: ottoman
otoño {m}  :: autumn, fall
otoplastia {f} [surgery]  :: otoplasty
otorgación {f}  :: licence, permission
otorgamiento {m}  :: Act of granting or awarding
otorgar {v}  :: to grant
otorgar {v}  :: to award
otorrino {m}  :: ENT specialist
otorrinolaringóloga {f}  :: feminine noun of otorrinolaringólogo
otorrinolaringólogo {m}  :: otorhinolaryngologist
otorrinolaringología {f}  :: otorhinolaryngology
ototóxico {adj}  :: ototoxic (toxic to the ear)
otra {pron}  :: feminine singular of otro
otras {adj}  :: feminine plural of otro
otra vez {adv} [idiomatic]  :: again
otredad {f} [philosophy]  :: otherness
otro {adj}  :: other, another
otro {interj}  :: "Not again!" or "What, again?" (also Otra vez! or Otra vez?)
otro gallo cantaría {phrase}  :: woulda, coulda, shoulda; if pigs had wings they would fly; if my aunt had balls, she'd be my uncle
otrora {adj}  :: former, then
otrora {adv}  :: formerly, in days of yore, in days gone by
Ottawa {prop}  :: Ottawa (capital city of Canada)
otubre {m} [obsolete]  :: alternative form of octubre
Ouro Preto {prop} {m}  :: Ouro Preto (placename)
out {m} [baseball]  :: out
outfielder {m}  :: outfielder
outfit {m}  :: outfit (clothing)
outlet {m}  :: An outlet store
outsourcing {m}  :: outsourcing
ovación {f}  :: ovation
ovacionar {v}  :: to hail (praise enthusiastically)
oval {adj}  :: oval (shaped like an oval)
ovalado {adj}  :: oval (oval-shaped)
ovario {m} [anatomy, botany]  :: ovary
oveja {f}  :: sheep
oveja negra {f} [idiomatic]  :: black sheep
ovejera {f}  :: feminine noun of ovejero
ovejero {m}  :: shepherd
ovejita {f}  :: diminutive of oveja, a small lamb (especially female)
ovejita {f} [slang, Latin America]  :: a promiscuous woman; a hooker
ovejo {m} [Latin America]  :: ram (male sheep)
overo {adj} [Chile, Argentina, Uruguay]  :: piebald; mottled
overol {m}  :: overalls plural (not US), coveralls plural (US only)
ovetense {adj}  :: Oviedan
ovetense {mf}  :: Oviedan
Ovidio {prop} {m}  :: Ovid
oviducto {m}  :: oviduct
oviedismo {m}  :: Collectively, the fans of Real Oviedo
oviedismo {m}  :: The state of being a fan of Real Oviedo
oviedista {mf} [soccer]  :: A person connected with Real Oviedo, a Spanish football team from the city of Oviedo
Oviedo {prop}  :: Oviedo (city)
Oviedo {prop}  :: The letter O in the Spanish phonetic alphabet
ovillar {v}  :: to roll into a ball
ovillo {m}  :: ball (of wool)
ovillo {m}  :: ball (of things tied up)
ovillo {m}  :: pile, bunch
ovino {adj}  :: ovine
ovitrampa {f}  :: mosquito egg trap
ovni {m}  :: UFO
OVNI {m}  :: objeto volador no identificado; UFO
ovoalbúmina {f} [protein]  :: ovalbumin
ovocitario {adj} [cytology]  :: ovum (attributive)
ovoide {adj}  :: ovoid (egg-shaped)
ovoide {m}  :: ovoid
ovíparo {adj}  :: oviparous
ovárico {adj}  :: ovarian
ovulación {f}  :: ovulation
ovular {v}  :: to ovulate
oxalato {m} [organic compound]  :: oxalate
oxaloacetato {m} [organic compound]  :: oxaloacetate
oxaloacético {adj}  :: oxaloacetic
oxalocrotonato {m} [chemistry]  :: oxalocrotonate
oxazol {m} [organic compound]  :: oxazole
oxácido {m}  :: oxyacid
oxear {v}  :: to shoo away
oxígeno {m}  :: oxygen
oxhídrico {adj} [chemistry]  :: oxyhydrogen
oxhidrilo {m} [chemistry]  :: hydroxyl
oxi- {prefix} [chemistry]  :: oxy-
oxiácido {m} [inorganic chemistry]  :: alternate form of oxácido ("oxyacid")
oxidable {adj}  :: oxidizable
oxidación {f}  :: oxidation
oxidante {m} [chemistry]  :: oxidizing agent, oxidant
oxidante {adj} [chemistry]  :: oxidizing
oxidar {v}  :: to oxidize
oxidasa {f} [enzyme]  :: oxidase
oxidativo {adj}  :: oxidative
oxidorreductasa {f} [enzyme]  :: oxidoreductase
oxigenación {f}  :: oxygenation
oxigenar {v}  :: to oxygenate
oxigenasa {f} [enzyme]  :: oxygenase
oxihemoglobina {f}  :: oxyhemoglobin
oxilipina {f} [organic compound]  :: oxylipin
oximercuración {f} [organic chemistry]  :: oxymercuration
oximetría {f}  :: oximetry
oxitocina {f} [hormone]  :: oxytocin
oxálico {adj}  :: oxalic
oxímoron {m}  :: oxymoron (figure of speech)
oxoanión {m} [chemistry]  :: oxoanion
oxocarbenio {m} [organic chemistry]  :: oxocarbenium
oxonio {m} [chemistry]  :: oxonium
oyamel {m}  :: sacred fir (Abies religiosa)
oye {interj}  :: (exclamation) hey
oyente {mf}  :: listener (to the radio)
oyente {mf}  :: Unregistered student, student who sits in lectures despite not being an official student
ozonización {f}  :: ozonization
ozonólisis {f} [chemistry]  :: ozonolysis
ozono {m}  :: ozone
ópalo {m}  :: opal
ópera {f} [music]  :: opera
óptico {adj}  :: optical; optic
óptimo {adj}  :: optimal
óptimo {adj}  :: superlative of bueno, very good
órale {interj} [Mexico]  :: let's go, come on, hurry (used to exhort)
órale {interj} [Mexico]  :: oh my God, wow (indicates amazement, astonishment, excitement, surprise, shock, fear)
órale {interj} [Mexico]  :: yes, ok (indicates approbation)
órbita {f}  :: orbit
órdago {m}  :: a large bet; an all-or-nothing bet
órden {mf}  :: obsolete spelling of orden
órgano {m}  :: organ (all senses)
órgano {m}  :: means;medium
órice {m}  :: oryx
órsay {m} [soccer]  :: offside
Óscar {prop} {m}  :: given name
ósculo {m} [formal]  :: kiss
óseo {adj}  :: osseous, bony
ósmosis {f}  :: osmosis
ósmosis {f} [slang]  :: osmosis
ótico {adj} [anatomy]  :: otic (related to the ear)
óvalo {m}  :: oval
óvulo {m} [zoology]  :: ovule (immature ovum)
óvulo {m} [botany]  :: ovule
óxido {m}  :: oxide
óxido {m}  :: rust
óxido de calcio {m}  :: calcium oxide
óxido de etileno {m}  :: ethylene oxide
óxido de hierro {m}  :: iron oxide
óxido de litio {m}  :: lithium oxide
óxido de magnesio {m}  :: magnesium oxide
óxido ferroso {m}  :: ferrous oxide
óxido férrico {m}  :: ferric oxide
óxido nitroso {m}  :: nitrous oxide
óxido nítrico {m}  :: nitric oxide