User:Matthias Buchmeier/en-it-o

Definition from Wiktionary, the free dictionary
Jump to: navigation, search
oaf {n} /oʊf/ (imbecile)  :: imbecille {m} {f}
oak {n} /oʊk/ (tree or shrub of the genus Quercus)  :: quercia {f}, [Quercus robur] farnia {f}
oak {n} (wood)  :: rovere {m} {f}, legno di quercia {m}
oak {n}  :: quercia {f} (English oak) farnia {f}, rovere {m} {f}
oak tree {n} (tree or shrub of the genus Quercus) SEE: oak  ::
oakwood {n} (wood populated with oaks)  :: querceto {m}, rovereto {m}, [uncommon] querceta {f}
oar {n} /ɔɹ/ (implement used to row a boat)  :: remo {m}
oar {v} (row) SEE: row  ::
oarfish {n} (fish of the family Regalecidae)  :: pesce remo {m}
oarlock {n} (device to hold oars in place)  :: scalmo {m}
oarsman {n} (man who rows a boat)  :: rematore {m}, rematrice {f}
oasis {n} /oʊˈeɪsɪs/ (well surrounded by fertile region)  :: oasi {f}
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} /ˈoʊθ/ (solemn pledge)  :: giuramento {m}
oath {n} (affirmed statement)  :: giuramento {m}
oath {n} (profanity)  :: bestemmia {f}
oath {v} (to pledge)  :: giurare
oat milk {n} (milky liquid from oats)  :: latte d'avena {m}
oats {n} (seeds of an oat plant)  :: avena {f}
Obadiah {prop} /ˌoʊbəˈdaɪə/ (book of the Old Testament)  :: Obadia {m}
obbligato {n} /ɒblɪˈɡɑːtəʊ/ (obbligato section)  :: obbligato
obcordate {adj} (botany: of a reversed cordate shape)  :: obcordato
obedience {n} /ə(ʊ)ˈbiːdɪəns/ (quality of being obedient)  :: obbedienza {f}
obedient {adj} (willing to comply with commands)  :: ubbidiente
obelisk {n} (A tall, square, tapered, stone monolith topped with a pyramidal point)  :: obelisco {m}
Oberon {prop} (moon of Uranus)  :: Oberon
obese {adj} /oʊˈbis/ (extremely overweight)  :: obeso corpulento {m}
obesity {n} (act or state of being obese)  :: obesità
obey {v} /oʊˈbeɪ/ (to do as ordered by)  :: obbedire, ubbidire
obfuscate {v} /ˈɑːbfʌskeɪt/ (make dark)  :: ottenebrare, offuscare
obfuscate {v} (make confusing)  :: offuscare, ottenebrare
object {n} /ˈɑb.d͡ʒɛkt/ (thing)  :: oggetto {m}
object {n} (in grammar)  :: oggetto {m}
object {n} (person or thing to which an emotion is directed)  :: oggetto {m}
object {n} (in object-oriented programming)  :: oggetto {m}
object {v} (disagree with something or someone)  :: obiettare
objection {n} /əbˈdʒɛkʃən/ (act of objecting)  :: obiezione {f}
objection {n} (statement expressing opposition)  :: obiezione {f}
objection {n} (official protest raised in a court of law)  :: obiezione {f}
objective {adj} /əbˈd͡ʒɛk.tɪv/ (relating to a material object)  :: oggettivo {m}, obiettivo {m}
objective {adj} (not influenced by emotions)  :: obiettivo, oggettivo
objective {adj} (based on observed fact)  :: obiettivo
objective {n} (material object)  :: obiettivo {m}
objective {n} (goal)  :: obbiettivo {m}, obiettivo {m}
objective {n} (lens)  :: obiettivo {m}
object-oriented programming {n} (programming paradigm that uses objects to design application and computer programs)  :: programmazione orientata agli oggetti {f}
objet d'art {n} /ˌɒbʒeɪ ˈdɑː(ɹ)/ (work of art)  :: oggettino {m}
objurgate {v} (To rebuke or scold strongly)  :: obiurgare
oblanceolate {adj} (of a reversed lanceolate shape)  :: oblanceolato
oblast {n} /ˈɒbləst/ (region or province)  :: oblast'
oblation {n} /oʊˈbleɪʃən/ (the offering to a deity)  :: oblazione {f}
oblationary {n}  :: oblazionario {m}
obligation {n} /ɑb.ləˈɡeɪ.ʃən/  :: obbligo {m}
obligatory {adj} /əˈblɪɡətɔɹi/ (binding)  :: obbligatorio {m}
obligatory {adj}  :: obbligatorio
obliged {adj} /əˈblaɪdʒd/ (Under an obligation to do something for someone)  :: obligato
oblique {adj} /əˈbliːk/ (not erect or perpendicular)  :: obliquo
oblique {adj} (not straightforward; indirect; obscure; hence, disingenuous; underhand; perverse; sinister)  :: obliquo
oblique case {n} (any noun case except the nominative (and vocative))  :: caso obliquo {m}
obliquity {n} (quality of being obscure) SEE: obscurity  ::
obliterate {v} /əbˈlɪtəɹeɪt/ (to remove completely, leaving no trace; to wipe out; to destroy)  :: obliterare, annullare, spazzare
oblivion {n} /əˈblɪvɪən/ (state of forgetfulness or distraction)  :: oblio {m}
oblivion {n} (a state of nothingness)  :: oblio {m}
oblivion {n}  :: oblio
oblivious {adj} /əˈblɪvi.əs/ (unaware)  :: inconsapevole, ignaro
obnoxious {adj} /əbˈnɑkʃəs/ (offensive, very annoying)  :: odioso, detestabile, ripugnante
obnubilation {n} /ɒbnjuːbɪˈleɪʃən/  :: obnubilazione {f}
oboe {n} /ˈoʊboʊ/ (wind instrument)  :: oboe {m}
oboe d'amore {n} /ˌoʊboʊ dɑˈmɔɹeɪ/ (instrument of the oboe family)  :: oboe d'amore {m}
oboist {n} (performer on the oboe)  :: oboista
obolus {n} (silver coin)  :: obolo {m}
obovate {adj} (shaped like an egg)  :: obovato
obscene {adj} /əbˈsin/ (offensive to current standards of decency or morality)  :: osceno, laido, disdicevole, immorale, indecente, sconcio
obscenity {n} (something that is obscene)  :: oscenità {f}, turpiloquio {m}
obscure {adj} /əbˈskjʊɚ/ (dark, faint or indistinct)  :: oscuro
obscure {adj} (hidden, out of sight or inconspicuous)  :: nascosto {m}, oscurato {m}
obscure {adj} (difficult to understand)  :: confuso {m}, poco chiaro {m}, vago {m}, indistinto {m}
obscurity {n} (darkness; the absence of light)  :: oscurità {f}
obsequiousness {n} (the quality of being obsequious)  :: cortigianeria {f}, ossequiosità {f}
observability {n} (state of being observable)  :: osservabilità {f}
observance {n} (the custom of celebrating a holiday)  :: giorno festivo {m}
observation {n} /ˌɒbzəˈveɪʃən/ (recording an event; the record of such noting)  :: osservazione
observation wheel {n} (Ferris wheel) SEE: Ferris wheel  ::
observatory {n} /əbˈzəɹvətɔɹi/ (place where celestial bodies or natural phenomena are observed)  :: osservatorio {m}
observe {v} /əbˈzɝv/ (to notice, to watch)  :: osservare
observe {v} (to follow)  :: osservare
observe {v} (to comment)  :: osservare
observe {v} (to observe) SEE: notice  ::
observer {n} /əbˈzɜːvə/ (one who makes observations, monitors or takes notice)  :: osservatore
obsession {n} /əbˈsɛʃən/ (compulsive or irrational preoccupation)  :: ossessione
obsession {n} (unhealthy fixation)  :: fissa {f}
obsession {n}  :: ossessione
obsessive-compulsive disorder {n} (form of anxiety)  :: disturbo ossessivo-compulsivo {m}
obsessively {adv} (obsessively)  :: ossessivamente 1, 2
obsidian {n} /ˌɑbˈsɪdi.ən/ (a type of black glass produced by volcanoes)  :: ossidiana {f}
obsolescence {n} /ˌɑb.səˈlɛ.səns/ (state)  :: obsolescenza {f}
obsolete {adj} /ɑbsəˈliːt/ (no longer in use)  :: obsoleto, in disuso
obstacle {n} /ˈɒbstəkl/ (something that impedes, stands in the way of, or holds up progress)  :: ostacolo {m}, inciampo {m}
obstinate {adj} /ˈɑb.stə.nət/ (adhering to an opinion, purpose, or course, usually unreasonably)  :: ostinato, pertinace
obstruct {v} (To block or fill (a passage))  :: ostruire
obstruct {v} (To impede, retard, or interfere with)  :: ostacolare
obstruct {v} (To get in the way of so as to hide from sight)  :: ostruire
obstructive {adj} (causing obstructions)  :: ostruttivo
obtain {v} /əbˈteɪn/ (to get hold of, acquire)  :: ottenere
obtain {v} (to hold, possess)  :: avere
obtain {v} (to succeed)  :: riuscire
obtain {v} (to be the case, hold true)  :: stabilirsi
obtainable {adj} (capable of being obtained)  :: ottenibile
obtuse {adj} /əbˈtjuːs/ (intellectually dull)  :: ottuso
obtuse {adj} (of a triangle) SEE: obtuse-angled  ::
obtuse angle {n} (angle that is greater than 90 degrees and less than 180 degrees)  :: angolo ottuso {m}
obtuse-angled {adj} (of a triangle)  :: ottusangolo
obtuse-angled triangle {n} (obtuse triangle) SEE: obtuse triangle  ::
obtuse triangle {n} (triangle with an obtuse angle)  :: triangolo ottusangolo
obviate {v} /ˈɑbviˌeɪt/ (to bypass a requirement)  :: ovviare
obvious {adj} /ˈɑəs/ (easily discovered or understood; self-explanatory)  :: ovvio
obviously {adv} /ˈɑə (in an obvious manner; clearly apparent)  :: ovviamente
obviousness {n} (characteristic of being obvious)  :: ovvietà {f}
Obwalden {prop} (a canton of Switzerland)  :: Canton Obvaldo
ocarina {n} /ɑkəˈɹinə/ (a musical instrument)  :: ocarina {f}
ocarinist {n} (player of ocarina)  :: ocarinista {m} {f}
Occam's razor {prop} (both principles)  :: rasoio di Occam {m}
occasion {n} /əˈkeɪʒən/ (favorable opportunity)  :: occasione {f}
occasion {n} (occurrence or incident) SEE: occurrence  ::
occasional {adj} /əˈkeɪʒənəl/ (limited to certain occasions; not very often)  :: occasionale
occasional table {n} (small table having no particular function)  :: tavolino {m}
occipitalis {n} (muscle of the head)  :: occipitale {m}, muscolo occipitale
occipitofrontal {adj} (of or pertaining to the occipitofrontalis muscle)  :: occipitofrontale
occipitofrontalis {n} (muscle)  :: occipitofrontale {m}, muscolo occipitofrontale {m}
Occitan {prop} /ˈɑksəˌtæn/ (the Romance language)  :: occitano {m}
Occitania {prop} (Occitania)  :: Occitania {f}
occlusal {adj}  :: occlusale
occlusive {n} (plosive) SEE: plosive  ::
occult {v} /əˈkʌlt/ (to cover)  :: occultare
occult {adj} (secret; hidden from general knowledge; undetected)  :: latente, celato, recondito, nascosto
occult {adj} (related to the occult)  :: occulto {m}
occult {adj} (esoteric)  :: esoterico
occult {n} (supernatural affairs)  :: occulto {m}, occultismo
occultation {n} /ˌɒkəlˈteɪʃ(ə)n/ (astronomical event)  :: occultazione {f}
occultistic {adj}  :: occultistico
occupation {n} /ɑkjʊˈpeɪʃən/ (activity or task with which one occupies oneself)  :: occupazione {f}
occupation {n} (act, process or state of possessing a place)  :: occupazione {f}
occupation {n} (control of a country or region by a hostile army)  :: occupazione {f}
occupational hazard {n} (an unpleasant, inconvenient, or unusual circumstance which occurs or is likely to occur during the course of one's employment)  :: rischio del mestiere
occupational health and safety {n} (activity to promote health and safety in workplace)  :: sicurezza sul lavoro {f}
occupational safety and health {n} (activity to promote safety in workplace)  :: sicurezza sul lavoro {f}
occupied {adj} /ˈɑkjəpaɪd/ (reserved)  :: occupato
occupied {adj} (militarily subjugated)  :: occupato
occupier {n} (one who occupies)  :: occupante
occupy {v} (to occupy) SEE: consume  ::
occupy {v} /ˈɑkjəpaɪ/ (reside in)  :: occupare
occurrence {n} /əˈkɝəns/ (actual instance where a situation arises)  :: occorrenza {f}
ocean {n} /ˈoʊ.ʃən/ (one of the large bodies of water)  :: oceano {m}
Oceania {prop} /ˌəʊ.ʃiˈɑː.nɪə/ (geographical region)  :: Oceania {f}
oceanographer {n} /ˌoʃəˈnɑɡɹəfəɹ/ (person who studies oceanography, the science of oceans)  :: oceanografo {m}
oceanographic {adj} /ˌoʃənəˈɡɹæfɪk/ (relating to oceanography)  :: oceanografico
oceanographical {adj} (oceanographical) SEE: oceanographic  ::
oceanography {n} /ˌoʊʃəˈnɑɡɹəfi/ (oceanic exploration and study)  :: oceanografia {f}, oceanologia {f}
oceanology {n} (oceanography) SEE: oceanography  ::
ocelot {n} /ˈɑːsəlɑːt/ (feline carnivore)  :: ocelot {m}, ocelotto {m}, ozelot {m}, gattopardo americano {m}
ochlocracy {n} /ɒkˈlɒkɹəsi/ (government by the masses)  :: oclocrazia {f}
ochlology {n} (psychology of crowds)  :: oclologia {f}
ochre {n} /ˈoʊkɚ/ (yellowish-orange colour)  :: ocra {f}
Ocicat {n}  :: gatto Ocicat
o'clock {adv} /əˈklɑk/ (indication of time (the translations below are of "one o’clock"))  :: l'una {f} (in punto)
o'clock {adv} (the translations below are of "at one o’clock")  :: all'una (in punto)
octachoron {n} (four-dimensional object)  :: ipertetraedro {m}
octagon {n} /ˈɒk təˌɡɒn/ (polygon with eight sides and eight angles)  :: ottagono {m}
octamer {n} (oligomer having eight subunits)  :: ottamero {m}
octameter {n} (A line of verse)  :: ottametro {m}
octane {n} /ˈɒk.teɪn/ (isomeric aliphatic hydrocarbons)  :: ottano {m}
octane number {n} (measure of the antiknock properties of an automobile fuel)  :: numero di ottano {m}
octastyle {adj} (having eight columns in the front row)  :: octastilo
Octavia {prop} (female given name)  :: Ottavia
Octavius {prop} /ɒkˈteɪvɪəs/ (male given name)  :: Ottavio
octet {n} (byte of eight bits) SEE: byte  ::
octillion {num} /ɒkˈtɪl.iː.ən/ (a thousand trillion trillion, 1027)  :: quatriliardo
octobass {n} (large double bass)  :: ottobasso {m}
October {prop} /ɑkˈtoʊbəɹ/ (tenth month of the Gregorian calendar)  :: ottobre {m}
octogen {n}  :: ottogene {m}
octonion {n} (nonassociative extension of a quaternion)  :: ottonione {m}, ottetto {m}
octopus {n} /ˈɑːkt.ə.pʊs/ (mollusc)  :: piovra {f}, polpo {m}, ottopode
octothorpe {n} (octothorpe) SEE: hash  ::
octroy {v}  :: ottriare
octuple {v} /ɒkˈtuː.pəl/ (multiply by eight)  :: ottuplicare
ocular {adj} (seen by the eye) SEE: visual  ::
ocular {adj} /ˈɑ.kjə.lɚ/ (of or relating to the eye)  :: oculare
oculiform {adj} (having the shape of an eye)  :: oculiforme
oculist {n} (optometrist) SEE: optometrist  ::
oculist {n} (ophthalmologist) SEE: ophthalmologist  ::
oculomotion {n} (faculty of movement of the eye)  :: oculomozione {f}
oculomotor {adj}  :: oculomotore
oculorhinitis {n}  :: oculorinite {f}
odalisque {n} /ˈoʊdlɪsk/ (a female harem slave)  :: odalisca {f}
odd {adj} /ɑd/ (not having a mate)  :: spaiato
odd {adj} (strange)  :: strano, strambo
odd {adj} (not divisible by two)  :: dispari, caffo
odd {adj} (casual, irregular)  :: occasionale, irregolare, casuale, mordi e fuggi
odd {adj} (about)  :: circa, all'incirca, a occhio e croce, approssimativamente
oddball {n} /ˈɑːdˌbɔl/ (eccentric person)  :: sagoma {f}, tomo {m}
oddity {n} (strangeness)  :: stranezza {f}
odd job {n} (temporary job)  :: lavoro occasionale {m}
oddness {n} (the state or quality of being odd)  :: originalità {f}, bizzarria {f}, stranezza {f}, stramberia {f}, bislaccheria {f}
odds {n} (the ratio of the probabilities of an event happening to that of it not happening)  :: possibilità {f-p}
odds and ends {n} (miscellaneous things)  :: cianfrusaglie {f-p}
ode {n} /oʊd/ (a short poetical composition)  :: ode {f}
Oder {prop} (river)  :: Oder {m}
Odessite {adj}  :: odessita
Odessite {n}  :: odessita {m-f}
Odin {prop} /oʊdɪn/ (in Norse mythology, the supreme god)  :: Odino
Odinic {adj} /əʊˈdɪnɪk/ (of or pertaining to Odin)  :: odinico
odometer {n} /oʊˈdɑːmətɚ/ (instrument attached to the wheel)  :: contachilometri {m}
odontalgic {adj} (pertaining to odontalgia)  :: odontalgico
odontalgic {n} (toothache remedy)  :: odontalgico {m}
odontoblast {n}  :: odontoblasto {m}
odontogenesis {n} (formation and development of teeth)  :: odontogenesi {f}
odontolith {n} (dental tartar)  :: odontolito {m}
odontopathy {n} (disease that affects the teeth)  :: odontopatia {f}
odor {n} (any smell) SEE: odour  ::
odoriferous {adj} (having an odor) SEE: odorous  ::
odorization {n} (addition of an odorant to a gas)  :: odorizzazione {f}
odorless {adj} /əʊdələs/ (having no odor)  :: inodore {m} {f}
odorous {adj} (having distinctive odour)  :: odoroso {m}
odour {n} /ˈoʊdəɹ/ (Any smell, whether fragrant or offensive; scent; perfume)  :: odore {m}
odourless {adj} (odourless) SEE: odorless  ::
odynometer {n}  :: odinometro {m}
odynophobia {n} (fear of pain)  :: odinofobia {f}
Odyssey {prop} /ˈɒ.də.si/ (epic poem describing the journey of Odysseus)  :: Odissea {f}
oedema {n} (edema) SEE: edema  ::
Oedipus {prop} /ˈiːdɪpəs/ (son of Laius and Jocasta)  :: Edipo {m}
oeno- {prefix} (forms terms relating to wine)  :: eno-
oenochoe {n} (Greek jug)  :: oinochoe {m}
oenologist {n} (an expert in the science of oenology)  :: enologo {m}, enologa {f}
oenology {n} /iˈnɑlədʒi/ (scientific study of wines)  :: enologia {f}
oenophile {n} /iː.nəʊ.faɪl/ (wine-lover)  :: enofilo {m}
oesophageal {adj} (of or pertaining to the oesophagus)  :: esofageo
oesophagectomy {n} (removal of all or part of the esophagus)  :: esofagectomia {f}
oesophagus {n} /ɪˈsɑfəɡəs/ (the tube that carries food from the pharynx to the stomach)  :: esofago {m}
oeuvre {n} /ˈɜːvɹə/ (work of art)  :: opera
of {prep} /ʌv/ (containing, comprising or made from)  :: di
of {prep} (introducing subject matter)  :: di
of {prep} (possessive genitive: belonging to)  :: di
of age {prep} (old enough to be considered an adult)  :: maggiorenne
of course {adv} (naturally)  :: certo, per forza, naturalmente, senz'altro
of course {adv} (indication of enthusiastic agreement)  :: certo
off {adj} /ɔf/ (inoperative, disabled)  :: spento
off {adj} (rotten)  :: putrido
offal {n} (dead body) SEE: corpse  ::
offal {n} (refuse) SEE: refuse  ::
offal {n} /ˈɔfl̩/ (animal's organs as food)  :: frattaglie {f-p}
offal {n} (carrion) SEE: carrion  ::
offend {v} (sin) SEE: sin  ::
offend {v} /əˈfɛnd/ (to hurt the feelings)  :: offendere
offend {v}  :: offendere
offender {n} (a person who commits an offense against the law)  :: contravventore {m}, corrigendo {m} [young]
offensive {adj} /ˈɔˌfɛnsɪv/ (team sports: having to do with play directed at scoring)  :: offensivo
offensive {n} (posture of attack)  :: offensiva {f}
offer {n} /ˈɔfɚ/ (proposal)  :: offerta {f}
offer {n}  :: offerta {f}
offer {v} (propose)  :: offrire
offer {v}  :: offrire, presentare, proporre
offertory {n} /ˈɑfəɹˌtɔɹi/ (the offering of sacremental bread and wine to God during a church service)  :: offertorio {m}
offertory {n} (music sung or played during the offertory of a church service)  :: offertorio {m}
off guard {prep} (unprepared)  :: alla sprovvista
office {n} /ˈɔfɪs/ (room(s) or building used for non-manual work)  :: ufficio {m}
officer {n} /ˈɔfɪsɚ/ (one who has a position of authority in a hierarchical organization)  :: funzionario {m}
officer {n} (contraction of the term "commissioned officer")  :: ufficiale {m} {f}
officer {n}  :: agente {m}, ufficiale
official {adj} /əˈfɪʃəl/ (of or pertaining to an office or public trust)  :: ufficiale
official {adj} (derived from the proper office)  :: ufficiale
official {adj} (approved by authority)  :: ufficiale
official {adj} (relating to an office; especially, to a subordinate executive officer or attendant)  :: ufficiale
official {n} (office holder invested with powers and authorities)  :: funzionario {m}
officialese {n} (bureaucratese) SEE: bureaucratese  ::
offset {n} /ˈɑf.sɛt/ (countertrade arrangement)  :: contropartita {f}
offset {n} (time at which something begins)  :: inizio {m}
offset {n} (offset printing)  :: stampa in offset {f}
offset {n} (distance by which one thing is out of alignment with another)  :: discrepanza {f}, discrepanze {p}
offshoot {n} (that which shoots off from a main stem)  :: derivato
offshoot {n}  :: discendente, sfilato, separato
offshore {adv} (away from the shore)  :: al largo
offshore {adv} (at some distance from the shore)  :: al largo
offside {n} (offside play)  :: fuorigioco
offside trap {n} (defensive play)  :: trappola del fuorigioco
offspring {n} /ˈɔfspɹɪŋ/ (singular offspring (male, female or sex unspecified))  :: discendente {m} {f}, figlio {m}, figlia {f}
offspring {n} (plural or collective offspring (only males, only females, both sexes or sex unspecified))  :: discendenti {m-p} {f-p}, prole {f}
off the mark {prep} (inaccurate)  :: inappropriato
off-the-record {adj} (unofficial)  :: ufficioso
off-the-record {adj} (secret)  :: segreto
off-the-record {adv} (unofficially)  :: ufficiosamente
off-the-record {adv} (secretly)  :: segretamente
off-the-wall {adj} (Wildly unconventional; bizarre; absurd)  :: Fuori dalle righe
of late {prep} (recently)  :: di recente
of record {prep} (authoritative) SEE: authoritative  ::
often {adv} /ˈɔfn̩/ (frequently, many times)  :: spesso, sovente
oftenly {adv} (often) SEE: often  ::
oganesson {n} /oʊ.ɡəˈnɛsɒn/ (chemical element with atomic number 118)  :: oganesson {m}
oghamic {adj} (in, of, or pertaining to Ogham)  :: ogamico
ogive {n} /ˈoʊɡaɪv/ (nose of a bullet, missle, or rocket)  :: ogiva {f}
ogle {v} /ˈoʊɡəl/ (to stare flirtatiously)  :: guardare con desiderio, osservare con desiderio
ogre {n} /ˈoʊ.ɡɚ/ (brutish giant)  :: orco {m}
ogress {n} /ˈoʊɡɹəs/ (female ogre)  :: orchessa {f}
oh dear {interj} (expression of dismay, concern, worry or disapproval)  :: oh buon Dio!
OHIM {prop} /ˈoʊhɪm/ (Office for Harmonization in the Internal Market)  :: UAMI
ohm {n} /oʊm/ (the derived unit of electrical resistance)  :: ohm
ohmic {adj} /ˈoʊmɪk/ (of or relating to ohms)  :: ohmico
ohmic {adj} (that obeys Ohm's law)  :: ohmico
ohmmeter {n} (device for measuing resistance)  :: ohmetro {m}
oh my {interj} (good heavens) SEE: good heavens  ::
oh my God {interj} (excitement or shock)  :: Dio mio, mio Dio, oh mio Dio, oddio
oh my Goddess {interj} (interjection said in excitement)  :: Dea mia! {f}
Ohrid {prop} (a historic city in the Republic of Macedonia)  :: Ocrida {f}
oi {interj} (exclamation to get attention) SEE: hey  ::
-oic {suffix}  :: -oico
oidial {adj}  :: oidico
oidium {n}  :: oidio
oil {n} /ɔɪl/ (liquid fat)  :: olio {m}
oil {n} (petroleum-based liquid)  :: petrolio {m}, benzina {f}
oil {v} (lubricate with oil)  :: oliare, oleare
oil {v} (to grease with oil for cooking)  :: oliare, oleare
oil cake {n} (solid residue)  :: panello {m}
oilcloth {n} (fabric or cloth)  :: incerato {m}, incerata {f}
oiler {n} (ship) SEE: oil tanker  ::
oil lamp {n} (a simple vessel used to produce light)  :: lampada ad olio {f}
oil palm {n} (Palm family of trees)  :: palma da olio {f}
oil pipeline {n} (a gas pipeline)  :: oleodotto {m}
oil rig {n} (oil-drilling platform)  :: impianto di trivellazione
oil sand {n} (relatively loose sandstone or porous carbonate rock impregnated with bitumen)  :: sabbia bituminosa {f}
oil shale {n} (shale from which hydrocarbons can be produced)  :: scisto bituminoso {m}
oil tanker {n} (Ship)  :: petroliera {f}
ointment {n} /ˈɔɪnt.mɪnt/ (viscous preparation, usually containing medication)  :: pomata {f}, unguento {m}, balsamo {m}
Ojibwe {n} /əˈdʒɪbweɪ/ (member of Ojibwe people)  :: ojibway
Ojos Azules {n}  :: gatto Ojos Azules
OK {n} /ˌoʊˈkeɪ/ (endorsement; approval)  :: ok
OK {adj} (all right, permitted)  :: (be OK) andare bene (verb)
OK {adj} (in good health or in a good emotional state)  :: (be OK): stare bene (verb)
OK {interj} (acknowledgement or acceptance)  :: OK, va bene, d'accordo
Okazaki fragment {n} (one of many newly synthesized DNA fragments formed on the lagging template strand during replication)  :: frammento di Okazaki {m}
okra {n} (Abelmoschus esculentus)  :: gombo {m}, bamia {f}
okroshka {n} /əˈkɹɔʃkə/ (cold raw vegetable soup)  :: okroshka {f}
Olaf {prop} /ˈoʊl.əf/ (male given name)  :: Olao
old {adj} /ˈoʊld/ (of an object, concept, etc: having existed for a relatively long period of time)  :: vecchio
old {adj} (of a living being: having lived for relatively many years)  :: vecchio
old {adj} (having existed or lived for the specified time)  :: avere
old age {n} (latter part of life)  :: vecchiaia {f}
Old Armenian {prop} (language)  :: armeno classico {m}, grabar {m}
old as the hills {adj} (extremely old)  :: vecchio come Matusalemme {m}, vecchio come il cucco {m}
Old Catholic {adj} (pertaining to a group of churches that split from the Roman Catholic Church)  :: veterocattolico, vetero-cattolico
Old Church Slavonic {prop} (the first literary and liturgical Slavic language)  :: antico slavo ecclesiastico {m}, paleoslavo {m}, slavo ecclesiastico antico {m}
Old English {prop} (ancestor language of modern English)  :: anglosassone {m}, inglese antico {m}
older brother {n} (a sibling's older brother)  :: fratello maggiore
older sister {n} (a sibling's older sister)  :: tata {f}
older than dirt {adj} (old as the hills) SEE: old as the hills  ::
old-fashioned {adj} (outdated or no longer in vogue)  :: antiquato, sorpassato, fuori moda
old-fashioned {adj} (preferring the customs of earlier times)  :: vecchio stile
old folks' home {n} (nursing home) SEE: nursing home  ::
Old French {prop} (French language from 9th to the early 14th century)  :: francese antico {m}
old gold {n} (a brownish gold colour)  :: oro vecchio {m}
old habits die hard {proverb} (existing habits are hard to change)  :: il lupo perde il pelo ma non il vizio
old hand {n} (experienced person at certain activity)  :: veterano {m}, esperto {m}
Old High German {prop} (Old High German)  :: alto tedesco antico {m}
Old Korean {prop} (Language)  :: coreano antico {m}
old maid {n} (elderly unmarried woman) SEE: spinster  ::
old maid {n} (card game)  :: asino {m}
old man {n} (elderly man)  :: vecchio {m}
old man's beard {n} (Clematis vitalba, a climbing plant)  :: vitalba {f}
oldness {n} /əʊldnəs/ (state of being old)  :: vecchiaia {f}
Old Norse {prop} (language of Scandinavia before 1400 CE)  :: norreno {m}, antico nordico {m}
old people's home {n} (nursing home) SEE: nursing home  ::
old salt {n} (seadog) SEE: seadog  ::
old stick {n} (chap) SEE: chap  ::
Old Testament {prop} (first half of the Christian Bible)  :: Antico Testamento {m}
old town {n} (older historical part of a town or city)  :: città vecchia {f}, centro storico {m}
oleander {n} /ˌəʊlɪˈændə/ (A poisonous shrub)  :: oleandro {m}
oleate {n} (salt or ester)  :: oleato {m}
olecranon {n} /oʊˈlɛkɹəˌnɑn/ (bony process)  :: olecrano {m}
oleic {adj} (of or pertaining to oleic acid)  :: oleico
oleic acid {n} (fatty acid with 18 carbon atoms and one double bond, found in olive oil)  :: acido oleico {m}
oleiferous {adj} (that produces oil)  :: oleifero
Olenekian {prop} (subdivision of the Triassic period)  :: Olenekiano
olfaction {n} (the sense of smell)  :: olfatto {m}
olfactory {adj} /oʊlˈfæk.təɹ.i/ (concerning the sense of smell)  :: olfattorio, olfattivo
oligarch {n} /ˈoʊlɪˌɡɑɹk/ (a member of an oligarchy)  :: oligarca {m}
oligarchic {adj} (of or pertaining to oligarchy)  :: oligarchico
oligarchy {n} /ˈɑːlɪˌɡɑɹki/ (Government by only a few)  :: oligarchia {f}
oligarchy {n} (State ruled by such a government)  :: oligarchia {f}
oligoarthritis {n} (form of arthritis)  :: oligoartrite {f}
oligoastrocytoma {n} (form of brain tumor)  :: oligoastrocitoma {f}
oligocythemia {n}  :: oligocitemia {f}
oligomer {n} /əˈlɪ.ɡə.məɹ/ (compound intermediate between a monomer and a polymer)  :: oligomero {m}
oligomineral {adj} (having few dissolved minerals)  :: oligominerale
oligonucleotide {n} (a short sequence of nucleotides)  :: oligonucleotide {m}
oligopeptide {n} (peptide containing a relatively small number of amino acids)  :: oligopeptide {m}
oligopolistic {adj} /ˌɒlɪˌɡɒpəˈlɪstɪk/ (having the character of an oligopoly)  :: oligopolistico
oligopoly {n} /ɑlɪˈɡɑpəli/ (economic condition)  :: oligopolio
oligosaccharide {n} (polysaccharide of low molecular weight)  :: oligosaccaride {m}
oligotherapy {n} (therapeutic use of trace elements)  :: oligoterapia {f}
oliguric {adj}  :: oligurico
olinguito {n} /oʊlɪŋˈɡitoʊ/ (mammal)  :: olinguito {m}
olive {n} /ˈɒlɪv/ (fruit)  :: oliva {m}
olive {n} (wood)  :: olivo
olive {n} (colour)  :: verde oliva
olive {n} (olive tree) SEE: olive tree  ::
olive grove {n} (cluster of olive trees)  :: oliveto {m}
olivenite {n} (mineral)  :: olivenite {f}
olive oil {n} (oil pressed from olives)  :: olio d'oliva {m}
Oliver {prop} (male given name)  :: Oliviero {m}
olive tree {n} (tree that produces olives)  :: olivo {m}, ulivo {m}
Olivia {prop} /oʊˈlɪvi.ə/ (female given name)  :: Olivia
olivine {n} /ˈɒlɪviːn/ (family of minerals forming orthorhombic crystals)  :: olivina {f}
olla podrida {n} (miscellaneous assortment) SEE: hodgepodge  ::
olla podrida {n} /ˌɑlə pəˈdɹidə/ (Spanish stew of seasoned meat and vegetables)  :: olla podrida {f}
olm {n} (Proteus anguinus)  :: proteo {m}
-ologist {suffix} (alternative spelling of -logist, one who studies a subject)  :: -ologo {m}, -ologa {f}
Olomouc Region {prop} (region in the Czech Republic)  :: Regione di Olomouc {f}
Oltenia {prop} /oʊlˈtɛni.ə/ (Oltenia)  :: Oltenia {f}
OLTP {n} (transactions)  :: OLTP {f}
Olympia {prop} (ancient city in Greece)  :: Olimpia
Olympia {prop} (female given name)  :: Olimpia
Olympiad {n} /əˈlɪmpiæd/ (period of four years)  :: olimpiade {f}
Olympic {adj} /oʊˈlɪm.pɪk/ (of or pertaining to the Olympic Games)  :: olimpico
Olympic Games {prop} (sporting festival held every four or five years in southern Greece)  :: giochi olimpici {m-p}
Olympic Games {prop} (international multi-sport event inspired by the ancient festival, see also: Olympics)  :: giochi olimpici {m-p}
Olympics {prop} (sport event, see also: Olympic Games)  :: Olimpiadi {f-p}
Olympic Winter Games {prop} (Olympic Winter Games)  :: Olimpiadi invernali
Olynthus {prop} (ancient city)  :: Olinto
Oman {prop} (country in the Middle East)  :: Oman {m}
omasum {n} (the third part of the stomach of a ruminant)  :: omaso {m}, libro {m}
ombrophily {n}  :: ombrofilia {f}
omega {n} /oʊˈmɛɡə/ (letter of the Greek alphabet)  :: omega
omelette {n} /ˈɑm.lət/ (dish made with beaten eggs)  :: omelette {f}, frittata {f}
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}, segno {m}, auspicio {m}, augurio {m}
omen {n} (prophetic significance)  :: presagio {m}, augurio {m}
omentum {n} (fold of the peritoneum)  :: omento {m}
omertà {n} /oʊˈmɛɹtə/ (code of silence amongst members of the Mafia or other criminal organization)  :: omertà {f}
omicron {n} /ˈɒm.ɪ.kɹɒn/ (Greek letter)  :: omicron {f}
ominous {adj} (of or pertaining to an omen or to omens; being or exhibiting an omen)  :: predittivo {m}
ominous {adj} (giving indication of a coming ill)  :: malaugurante, infausto {m}, nefasto {m}
omissible {adj} (able to be omitted)  :: omissibile
omission {n} /oʊˈmɪʃ ən/  :: omissione {f}
omit {v} /ɵˈmɪt/ (to leave out or exclude)  :: omettere
omni- {prefix} (all)  :: omni-
omnibus {n} /ˈɒmnɪˌbʌs/ (vehicle)  :: autobus {m}
omnidestructive {adj}  :: onnidistruttivo
omnidirectional {adj} (in every direction)  :: omnidirezionale
omnipolar {adj} (operating with either magnetic pole)  :: omnipolare
omnipotence {n} (unlimited power)  :: onnipotenza
omnipotent {adj} /ɒmˈnɪpətənt/ (having unlimited power, force or authority)  :: onnipotente
omnipresence {n} (the ability to be at all places at the same time)  :: onnipresenza {f}
omnipresent {adj} (being everywhere)  :: onnipresente
omniscience {n} /ɑmˈnɪʃəns/ (capacity to know everything)  :: onniscienza
omniscient {adj} /ɑmˈnɪʃənt/ (having total knowledge)  :: onnisciente
omnium-gatherum {n} (collection of miscellaneous things) SEE: hodgepodge  ::
omnivore {n} (animal eating both plants and meat)  :: onnivoro {m}
omnivorous {adj} (having the ability to eat both animal and vegetable food)  :: onnivoro
omphalectomy {n}  :: onfalectomia {f}
omphalitis {n}  :: onfalite {f}
omphalo- {prefix} (relating to the navel)  :: onfalo-
omphalorrhoea {n}  :: onfalorrea {f}
Omsk {prop} (large city in Russia)  :: Omsk {m}
on {adj} /ɒn/ (in the state of being active, functioning or operating)  :: acceso
on {prep} (positioned at the upper surface of)  :: su
on {prep} (covering)  :: su
on {prep} (at the date of)  :: [not translated]
on {prep} (sometime during the day of)  :: [not translated]
on air {prep} (transmitting live)  :: in onda
on all fours {adv} (on hands and knees)  :: carponi, a quattro piedi, gattoni, a quattro zampe
onanism {n} /ˈoʊnəˌnɪzəm/ (masturbation)  :: onanismo {m}
on behalf of {prep} (speaking or acting for)  :: per conto di, a nome di
on board {adv} (aboard) SEE: aboard  ::
once {adv} /wʌn(t)s/ (one and only one time)  :: una volta
once {adv} (formerly)  :: un tempo
once {conj} (as soon as)  :: una volta che, non appena
once again {adv} (one more time)  :: ancora una volta, un'altra volta, di nuovo, ancora, nuovamente
once and for all {adv} (Finally, permanently, conclusively)  :: una volta per tutte
once bitten, twice shy {proverb} (one is cautious in the future if hurt in the past)  :: Gatto scottato teme l'acqua fredda
once in a blue moon {adv} /wʌns ɪn ə bluː muːn/ (very rarely)  :: una volta ogni morte di papa, ogni morte di papa
once in a while {adv} (occasionally)  :: di tanto in tanto
once more {adv} (one more time) SEE: once again  ::
once upon a time {adv} /ˈwʌns.əˈpɒn.əˈtaɪ̯m/ (traditional beginning of children’s stories, especially fairy tales)  :: c'era una volta
on cloud nine {prep} (very happy, blissful)  :: settimo cielo {m}
oncogene {n} /ˈɒŋkə(ʊ)dʒiːn/ (gene)  :: oncogene
oncologic {adj} /ˌɒŋkəˈlɒdʒɪk/ (of or pertaining to oncology)  :: oncologico
oncological {adj} (of or pertaining to oncology) SEE: oncologic  ::
oncologist {n} /ɒŋˈkɒlədʒɪst/ (one who specialises in oncology)  :: oncologo {m}
oncology {n} /ɒŋˈkɒlədʒi/ (branch of medicine)  :: oncologia {f}
ondoscope {n}  :: ondoscopio {m}
one {pron} /wʌn/  :: si, qualcuno , expressed by nominalization when following an adjective
one {n} (digit or figure)  :: uno {m}
one {n} (dollar bill)  :: biglietto di un dollaro {m}
-one {suffix} (ketone)  :: -one {m}
one after another {adv} (in single file)  :: uno dopo l'altro
one another {pron} (idiomatic, reciprocal pronoun)  :: vicendevolmente, a vicenda, l'un l'altro
one by one {adv} (individually)  :: uno per uno
one day {adv} (at unspecified time in the future)  :: un giorno o l'altro
one-dimensional {adj} (having length, but no width, height or depth)  :: unidimensionale
one-eyed {adj} (having only a single eye)  :: guercio {m}, orbo
one for all, all for one {phrase} /wʌn fəɹɔːl ɔːl fə wʌn/ (motto: working for each other)  :: uno per tutti, tutti per uno
one hundred and one {num} (one hundred plus one)  :: centuno (invariant)
one hundred and one {n} (figure 101)  :: centuno
one hundred million {num} (number 100,000,000)  ::  ; centomilioni
oneiric {adj} /oʊ.ˈnaɪ.ɹɪk/ (of or pertaining to dreams)  :: onirico {m}
oneirism {n} /ə(ʊ)ˈnʌɪɹɪzəm/ (dream-like experiences or qualities)  :: onirismo {m}
oneirism {n} (state of abnormal consciousness)  :: onirismo {m}
oneirologist {n} (interpreter of dreams)  :: oneirologista {f}, oneirologisto {m}
oneirology {n} (the study of dreams)  :: oneirologia {f}
one million {num} (cardinal number 1000000) SEE: million  ::
one moment, please {phrase} (one moment please)  :: un attimo, per favore
one-night stand {n} (theatrical)  :: singola rappresentazione {f}
one-night stand {n} (sexual encounter)  :: una botta e via
one's bark is worse than one's bite {phrase} (one acts in a threatening way but is relatively harmless)  :: cani che abbaia non morde
one-size-fits-all {adj}  :: unitaglia
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 rondine non fa primavera
one thousand {num} (cardinal number 1000) SEE: thousand  ::
one-two {n}  :: unodue {m}
one-way {adj} (allowing movement in only one direction)  :: senso unico {m}
one-way ticket {n} (a ticket granting permission to travel to a place but not back)  :: biglietto di solo andata
one who hesitates is lost {proverb} (a person who spends too much time contemplating may miss a valuable opportunity)  :: chi si ferma è perduto
on foot {prep} (walking, jogging, running)  :: a piedi
ongoing {adj} (continuing, permanent)  :: continuo
ongoing {adj} (presently or currently happening; being in progress)  :: attuale
on heat {prep} (in estrus)  :: in calore
onigiri {n} (Japanese rice ball)  :: onigiri {m}
oniomania {n} /əʊnɪə(ʊ)ˈmeɪnɪə/ (an abnormal impulse to buy things)  :: oniomania
onion {n} /ˈʌnjən/ (plant)  :: cipolla {f}
onion {n} (bulb)  :: cipolla {f}
online {adj} /ˈɒnˌlaɪn/ (connected to the Internet)  :: in rete
onlooker {n} (spectator) SEE: spectator  ::
only {adj} /ˈoʊ (alone in a category)  :: unico
only {adv} (without others or anything further; exclusively)  :: solo, solamente
only {adv} (no more than)  :: solamente
only {adv}  :: solo, solamente
only {conj}  :: ma
only-begotten {adj}  :: unigenito
only child {n} (a person who has no siblings)  :: figlio unico {m}, figlia unica {f}
onomasiologist {n}  :: onomasiologo {m}
onomasiology {n} (branch of lexicology)  :: onomasiologia {f}
onomatopoeia {n} /ˌɑnəˌmætəˈpiːə/ (property of a word of sounding like what it represents)  :: onomatopea {f}
onomatopoeia {n} (word that sounds like what it represents)  :: onomatopea
onomatopoeic {adj} /ˌɒnəmætəˈpiːɪk/ (of or relating to onomatopoeia)  :: onomatopeico
onomatopoeic {adj} (having the property of onomatopoeia)  :: onomatopeico
onomatopoetic {adj} (concerning onomatopoeia) SEE: onomatopoeic  ::
onotherapy {n}  :: onoterapia {f}
on purpose {prep} (purposely, with intention)  :: di proposito, apposta, intenzionalmente
on sale {prep} (available for purchase)  :: in vendita, vendesi
on sale {prep} (available for purchase at reduced prices)  :: in saldo, scontato {m}
on sight {prep} (immediately when sighted)  :: a vista
onslaught {n} /ˈɒnslɔːt/ (fierce attack)  :: assalto {m}
onslaught {n} (large quantity of people or things resembling an attack)  :: invasione {f}
onslaughter {n} (onslaught) SEE: onslaught  ::
on steroids {prep} (to a greater degree)  :: all'ennesima potenza
Ontarian {n} (person from Ontario)  :: ontariano {m}, ontariana {f}
on the air {prep} (in the process of recording or broadcasting) SEE: on air  ::
on the back burner {prep} (not immediate)  :: in secondo piano
on the bias {prep} (describing the method of cutting fabric diagonally)  :: diagonalmente
on the contrary {prep} (opposite)  :: al contrario, anzi
on the dot {prep} (exactly)  :: in punto
on the hook {prep} (liable) SEE: liable  ::
on the one hand {prep} (from one point of view)  :: da un lato
on the other hand {prep} (from another point of view)  :: dall'altro, dall'altro lato
on the run {prep} (fleeing)  :: in fuga
on the same wavelength {prep} (in rapport)  :: sulla stessa lunghezza d'onda
on the spot {prep} (at the very moment)  :: subito, immediatamente
on the spot {prep} (in the right place at the moment)  :: sul posto
on the tip of one's tongue {prep} (known but not quite remembered)  :: sulla punta della lingua
on the warpath {prep} (very angry or upset)  :: sul piede di guerra
on the way {prep} (coming)  :: in arrivo
on the whole {prep} (for the most part)  :: nel complesso
on time {adv} (punctually)  :: in orario
ontogenetic {adj} (of or relating to ontogenesis)  :: ontogenetico
ontogenic {adj} (ontogenetic) SEE: ontogenetic  ::
ontogeny {n} /ɒnˈtɒdʒəni/ (development of an individual organism)  :: ontogenesi {f}
ontological {adj} (of, or relating to, ontology)  :: ontologico {m}
ontologically {adv} (ontological manner)  :: ontologicamente
ontology {n} (study of being)  :: ontologia {f}
ontology {n} (system model in computer science)  :: ontologia {f}
onus {n} /ˈoʊnəs/ (legal obligation)  :: onere
onus {n} (burden of proof)  :: onere della prova
onus probandi {n} (duty of a party in a legal proceeding) SEE: burden of proof  ::
onward {adv} (In a forward direction)  :: in avanti, in poi
onychogryphosis {n} (hypertrophy of the nails)  :: onicogrifosi {f}
onychomycosis {n} /ˌɒnɪkəʊmaɪˈkəʊsɪs/ (fungal infection of nail)  :: onicomicosi {f}
onychophagia {n} (compulsive biting of one's nails)  :: onicofagia {f}
onychorrhexis {n}  :: onicorressi {f}
onychosis {n}  :: onicosi {f}
-onym {suffix} (word)  :: -onimo {m}
on your mark, get set, go {phrase} (three-command start of racing)  :: pronti, attenti, via!, pronti, partenza, via!
onyx {n} /ˈɔnɪks/ (a banded variety of chalcedony)  :: onice {f}
ooblast {n}  :: ooblasto {m}
oocyte {n} /ˈoʊ.oʊ.saɪt/ (cell that develops into egg or ovum)  :: oocito, ovocito
oofless {adj} (poor) SEE: poor  ::
oogamy {n} (a form of anisogamy in which the female gamete is significantly larger than the male gamete and is non-motile)  :: oogamia {f}
oogenesis {n} (formation and development of ovum)  :: oogenesi {f}
oophorectomy {n} /ˌəʊəfəˈɹɛktəmi/ (surgical removal of ovaries)  :: ooforectomia {f}
oophoritis {n} (inflammation of the ovaries)  :: ooforite {f}
oophorous {adj}  :: ooforo
oops {interj} /uːps/  :: ops
Oort Cloud {prop} (cloud of comets in the Solar System)  :: nube di Oort {f}
oosphere {n} (A large nonmotile egg cell)  :: oosfera {f}
ootheca {n} /əʊəˈθiːkə/ (egg case of orthopteroid insects)  :: ooteca {f}
ooze {v} /uːz/ (to secrete or slowly leak)  :: stillare [literally]
opacification {n} (act of making something opaque)  :: opacizzazione {f}
opacimeter {n}  :: opacimetro {m}
opal {n} /ˈoʊpəl/ (a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)  :: opale {m} {f}
opalescent {adj} /oʊpəlɛsənt/ (exhibiting a milky iridescence like that of an opal)  :: opalescente
opaline {n} (resembling opal in its iridescence)  :: opalino
opalization {n}  :: opalinizzazione {f}
opaque {adj} /oʊˈpeɪk/ (hindering light to pass through)  :: opaco {m}, opaca {f}
open {adj} /ˈoʊ.pən/ (not closed)  :: aperto, dischiuso
open {adj} (prepared to conduct business)  :: aperto
open {adj} (receptive)  :: aperto
open {adj} (public)  :: aperto
open {v} (to make something accessible)  :: aprire, schiudere, dischiudere
open {v} (to bring up (a topic))  :: toccare
open {v} (to make accessible to customers)  :: aprire
openable {adj} (that can be opened)  :: apribile
open-air {adj} (taking place outdoors)  :: a cielo aperto, all'aperto
open-air museum {n} (outdoor museum)  :: museo all'aperto {m}
open book {n} (thing easily interpreted)  :: libro aperto {m}
open book {n} (person naively honest or open)  :: libro aperto
opencast {adj} (of or pertaining to strip mining)  :: a cielo aperto
open house {n} (house open to callers)  :: porte aperte {f}, porta aperta {f}
opening {n} /ˈoʊ.pənɪŋ/ (something that is open)  :: apertura {f}
opening {n} (beginning)  :: apertura {f}
opening {n} (first few measures of a musical composition)  :: sigla
opening ceremony {n} (ceremony to mark the official opening of a building or event)  :: cerimonia di apertura {f}
open sea {n} (part of the sea)  :: alto mare {m}
open sesame {interj} (Open up)  :: apriti sesamo
opera {n} /ˈɑ.pəɹ.ə/ (theatrical work)  :: opera lirica {f}
opera {n} (building)  :: teatro d'opera {m}
operand {n} /ˈɑpəˌɹænd/ (quantity to which an operator is applied)  :: operando {m}
operate {v} (to perform a work or labour)  :: operare
operate {v}  :: operare, attivare
operating room {n} (room in a hospital used for performing surgical operations)  :: sala operatoria {f}, camera operatoria {f}
operating system {n} (software which controls computer)  :: sistema operativo {m}
operation {n} /ˌɑpəˈɹeɪʃən/ (method by which a device performs its function)  :: operazione {f}
operation {n} (method or practice by which actions are done)  :: operazione {f}
operation {n} (surgical procedure)  :: operazione {f}
operation {n} (procedure for generating a value from one or more other values)  :: operazione {f}
operation {n} (military campaign)  :: operazione {f}
operational {adj} (determined by means of practical measures)  :: operazionale
operationism {n}  :: operazionismo {m}
operative {adj} (effectual)  :: operativo
operative {adj} (functional)  :: operativo
operative {adj} (based upon a surgical operation)  :: operatorio
operator {n} /ˈɑːpəɹeɪtɚ/ (mathematical operator)  :: operatore {m}
operator {n} (Chinese whispers) SEE: Chinese whispers  ::
operetta {n} (lighter version of opera)  :: operetta {f}
ophicleide {n}  :: oficleide {m}
ophidiophobia {n} (ophiophobia) SEE: ophiophobia  ::
ophidism {n} (poisoning by snake venom)  :: ofidismo {m}
ophiophobia {n} (fear of snakes)  :: ofidiofobia {f}
Ophiuchus {prop} /ˌoʊfiˈjukəs/ (zodiacal constellation of the northern summer)  :: Ofiuco
ophthalmic {adj} (of or pertaining to the eyes)  :: oftalmico
ophthalmitis {n} (severe conjunctivitis)  :: oftalmite {f}
ophthalmo- {prefix} (of or relating to eyes)  :: oftalmo-
ophthalmologist {n} /ˌɒf.θælˈmɒ.lə.dʒɪst/ (eye specialist)  :: oculista {m} {f}
ophthalmology {n} /ɑpθəˈmɑlədʒi]/ (eye medicine)  :: oftalmologia {f}
ophthalmospasm {n}  :: oftalmospasmo {m}
ophthalmostat {n} (device)  :: oftalmostato {m}
ophthalmotherapy {n}  :: oftalmoterapia {f}
ophthalmotrope {n}  :: oftalmotropo {m}
opine {v} /oʊˈpaɪn/ (to state as an opinion)  :: ritenere, affermare
opinion {n} /əˈpɪnjən/ (thought a person has formed about a topic)  :: opinione {f}, concetto {m}, parere, giudizio {m}
opinion {n} (EU: A judicial opinion by an Advocate General delivered to the European Court of Justice)  :: conclusioni {f-p}
opinion {v} (opine) SEE: opine  ::
opinionative {adj} (relating to opinion)  :: opinativo
opisometer {n}  :: opisometro {m}
opium {n} /ˈoʊpi.əm/ (drug from opium poppy)  :: oppio {m}
opobalsam {n}  :: opobalsamo {m}
opossum {n} /əˈpɑsəm/ (marsupial of the Didelphidae)  :: opossum {m}
opponent {n} /ɒpəʊnən̩t/ (rival)  :: oppositore {m}, oppositrice {f}
opportune {adj} (suitable)  :: opportuno, adatto, appropriato
opportune {adj} (at a convenient time)  :: opportuno, giusto, appropriato
opportunist {n} (someone who takes advantage of any opportunity)  :: approfittatore {m}, opportunista {m} {f}
opportunity {n} /ˌɒp.əˈtjuː.nɪ.ti/ (chance for advancement, progress or profit)  :: occasione {f}, opportunità
opportunity {n}  :: opportunità {f}
oppose {v} /əˈpoʊz/ (to attempt to stop the progression of)  :: opporre
oppose {v}  :: opporre
opposite {adj} /ˈɑp(ə)sɪt/ (located directly across from)  :: opposto
opposite {adj} (facing the other way)  :: opposto {m}, opposta {f}
opposite {prep} (across from)  :: di fronte a
opposites attract {proverb} (proverb)  :: gli opposti si attraggono
opposite sex {n} (the other gender to which one is referring)  :: sesso opposto {m}
opposition {n} /apəˈzɪʃn̩/ (astronomy)  :: opposizione {f}
opposition {n} (action)  :: opposizione {f}
opposition {n} (political)  :: opposizione {f}
oppress {v} (keep down by force)  :: opprimere
oppressed {adj} (Subject to oppression)  :: oppresso
oppression {n} (act of oppressing, or the state of being oppressed)  :: oppressione
oppugnable {adj} /ɘˈpʌɡnəb(ɘ)l/ (disputable, contestable)  :: oppugnabile
Oprtalj {prop}  :: Portole
opsonin {n} /ˈɒpsənɪn/ (an antibody)  :: opsonina {f}
opsonization {n} (process of opsonizing)  :: opsonizzazione {f}
opt {v} /ɒpt/ (to choose)  :: optare
optic {n} (an eye)  :: occhio {m}
optical {adj} (relating to sight) SEE: optic  ::
optical {adj} (relating to optics) SEE: optic  ::
optical fibre {n} (fibre used for transmitting light)  :: fibra ottica {f}
optical illusion {n} (image that is visually deceptive or misleading)  :: illusione ottica {f}
optic chiasm {n} (part of the brain)  :: chiasma ottico {m}
optic nerve {n} (nerve)  :: nervo ottico {m}
optics {n} (physics of light and vision)  :: ottica {f}
optimate {n} /ˈɒptɪmeɪt/ (member of the patrician ruling class in republican Ancient Rome)  :: ottimate
optimeter {n}  :: ottimetro {m}
optimism {n} /ˈɑptɪmɪzəm/ (a tendency to expect the best)  :: ottimismo {m}
optimistic {adj} /ˌɑptɪˈmɪstɪk/ (expecting a good outcome)  :: ottimista {m} {f}
optimization {n} (the design and operation of a system or process to make it as good as possible in some defined sense)  :: ottimizzazione {f}
optimize {v} /ˈɑptɪmaɪz/ (to make (something) optimal)  :: ottimizzare
optimize {v} (to make (something) more efficient)  :: ottimizzare
optimizer {n}  :: ottimizzatore {m}
optimum {n} /ˈɑptɪməm/ (the best or most favorable condition)  :: ottimo {m}
option {n} /ˈɑpʃən/ (one of the choices which can be made)  :: opzione
optional {adj} (not compulsory)  :: facoltativo, volontario, opzionale, a discrezione, non obbligatorio
optionally {adv} (in an optional manner)  :: opzionalmente
opto- {prefix} (eye, vision, light)  :: opto-
optoelectronic {adj} (pertaining to optoelectronics)  :: optoelettronico
optoelectronic {adj} (that has both optical and electronic components)  :: optoelettronico
optogalvanic {adj}  :: optogalvanico
optography {n} (the production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye)  :: optografia {f}
optometrist {n} /ɑpˈtɑmətɹɪst/ (person trained in examining and testing the eyes for defects)  :: optometrista {m}
optotypic {adj}  :: ottotipico
optronic {adj} (optoelectronic) SEE: optoelectronic  ::
or {conj} /ɔɹ/ (conjunction)  :: o, od (euphonic alt. form used before a vowel), oppure
or {n} (gold or yellow tincture)  :: oro {m}
or {adj} (of yellow or gold tincture on a coat of arms)  :: oro
oracle {n} /ɒɹəkəl/ (shrine to prophetic deity)  :: oracolo {m}
oracle {n} (priest through whom deity provides prophecy or advice)  :: oracolo {m}
oracle {n} (prophetic response)  :: oracolo {m}, divinazione {f}
oracle {n}  :: oracolo {m}
oracle {v} (utter oracles or prophecies)  :: profetizzare, presagire, premonire
oral {adj} /ˈɔɹəl/ (relating to the mouth)  :: orale
oral sex {n} (stimulation of the genitals using the mouth)  :: sesso orale {m}
Oran {prop} (port of Algeria)  :: Orano
orange {n} /ˈɑɹɪ̈ndʒ/ (tree)  :: arancio {m}
orange {n} (fruit)  :: arancia {f}
orange {n} (colour)  :: arancione {m}
orange {adj} (having the colour of the fruit of an orange tree)  :: arancione, arancio
orangeade {n} /ˈɒ.ɹɪn.ˌdʒeɪd/ (orange-flavored soft drink)  :: aranciata {f}
orangeade {n} (soda water and orange juice)  :: oransoda {f}
orange blossom {n} (white flower of the orange tree)  :: zagara {f}, fiore d'arancio {m}
orange juice {n} (juice of squeezed oranges)  :: succo d'arancia {m}
orange stick {n} (manicuring tool)  :: scalzapelli {m}
orangutan {n} /əˈɹæŋ.əˌtæn/ (arboreal anthropoid ape)  :: orango
orate {v} /ˈɔɹ.eɪt/ (to speak passionately; to preach)  :: vituperare, fare la predica
orator {n} /ˈɒ.ɹə.tə(ɹ)/ (someone who orates or delivers an oration)  :: oratore
oratorian {n} (member of an oratory)  :: oratoriano {m}
orb {n} (period of time marked off by the revolution of a heavenly body) SEE: year  ::
orb {n} (circle) SEE: circle  ::
orb {n} (orbit) SEE: orbit  ::
orb {n} /oɹb/ (spherical body)  :: orbe
orb {n} (poetic: the eye, as luminous and spherical)  :: occhio, globo
orb {n} (poetic: a revolving circular body; a wheel)  :: sfera
orb {n} (monarch's ceremonial sphere) SEE: globus cruciger  ::
orbicular {adj} /ɔɹˈbɪk.ju.lɚ/ (circular or spherical in shape)  :: sferico
orbicularis oculi {n} (muscle)  :: orbicolare dell'occhio {m}, muscolo orbicolare dell'occhio {m}
orbit {n} (path of one object around another)  :: orbita {f}
orbital {adj} (Of or relating to an orbit)  :: orbitale
orbital {adj} (Of or relating to the eye socket (eyehole))  :: orbitale
orbitational {adj} (orbital) SEE: orbital  ::
orc {n} /ɔɹk/ (evil monstrous humanoid creature)  :: orco {m}
orc {n} (Orcinus orca) SEE: orca  ::
orca {n} /ˈɔɹkə/ (Orcinus orca)  :: orca {f}
orchard {n} /ˈɔː(ɹ).tʃəd/ (land for cultivation of fruit or nut trees)  :: frutteto {m}
orchesography {n}  :: orchesiografia {f}
orchestic {adj}  :: orchestico
orchestics {n}  :: orchestica {f}
orchestra {n}  :: orchestra {f}
orchid {n} /ˈɔɹkɪd/ (plant)  :: orchidea {f}
Orchomenos {prop} (city in central Greece)  :: Orcomeno
ordeal {n} /ɔɹˈdiəl/ (a painful or trying experience)  :: calvario {m}, tortura {f}
ordeal {n} (trial in which the accused was subjected to a dangerous test)  :: ordalia {f}
order {n} /ˈɔɹdɚ/ (arrangement, disposition)  :: ordine {m}
order {n} (good arrangement)  :: ordine {m}
order {n} (command)  :: ordine {m}, comando {m}
order {n} (request for some product or service)  :: ordinazione {f}, commessa {f}
order {n} (religious group)  :: ordine {m}
order {n} (biology: taxonomical classification)  :: ordine {m}
order {v} (to set in (any) order)  :: ordinare
order {v} (to set in (a good) order)  :: ordinare
order {v} (to issue a command)  :: ordinare
order {v} (to request some product or service)  :: ordinare
order arms {n} (a military position)  :: piedarm {m}
ordered pair {n} (in set theory)  :: coppia, coppia ordinata
orderly {n} /ˈɔɹdɚli/ (soldier who carries out minor tasks for a superior officer)  :: attendente {m}
ordinal indicator {n}  :: indicatore ordinale {m}
ordinal number {n}  :: numero ordinale {m}
ordinariate {n} (office of a Roman Catholic ordinary)  :: ordinariato {m}
ordinary {adj} /ˈɔɹdɪnɛɹi/ (normal, routine)  :: ordinario {m}, ordinaria {f}
ordinary {n} (standard geometric design in heraldics)  :: pezza {f}
ordinary differential equation {n} (equation)  :: equazione differenziale ordinaria {f}
ore {n} /ɔɹ/ (rock that contains materials that can be economically extracted and processed)  :: minerale {m}
oregano {n} /əˈɹɛɡənoʊ/ (plant)  :: origano {m}
oregano {n} (leaves used to flavour food)  :: origano {m}
organ {n} /ˈɔɹ.ɡən/ (part of an organism)  :: organo {m}
organ {n} (musical instrument)  :: organo {m}
organ {n} (official magazine, newsletter, or similar publication)  :: organo {m}
organic {adj} /ɔːˈɡænɪk/ (pertaining to an organ)  :: organico
organic {adj} (chemistry: relating to the compounds of carbon)  :: organico
organic {adj} (of food and food products: grown without agrichemicals)  :: biologico, organico
organic {n} (organic compound) SEE: organic compound  ::
organic chemistry {n} (chemistry of carbon containing compounds)  :: chimica organica {f}
organic compound {n} (carbon containing covalent compound)  :: composto organico
organic farming {n} (approach to farming based on biological methods)  :: agricoltura biologica {f}
organise {v} (organize) SEE: organize  ::
organised {adj} (organized) SEE: organized  ::
organism {n} /ˈɔɹ.ɡən.ɪ.zəm/ (living thing)  :: organismo {m}
organism {n} (any complex thing with properties normally associated with living things.)  :: organismo {m}
organist {n} (musician who plays the organ)  :: organista {m} {f}
organization {n} /ˌɔɹɡənɪˈzeɪʃən/ (the way in which something is organized)  :: organizzazione
organization {n} (group of people or other legal entities with an explicit purpose and written rules)  :: organizzazione {f}
organize {v} /ˈɔɹɡənaɪz/ (to arrange in working order)  :: organizzare
organized {adj} /ˈɔɹɡənaɪzd/ (characterised by efficient organization)  :: organizzato
organizer {n} (person arranging public events)  :: organizzatore {m}
organogenesis {n} (formation and development of the organs from embryonic cells)  :: organogenesi {f}
organography {n} (description of the structure and function of organs)  :: organografia {f}
organoleptic {adj} (of or pertaining to sensory properties of a particular substance)  :: organolettico
organolithium {adj} (containing a carbon to lithium bond)  :: litiorganico
organolithium {n} (organic compound containing a carbon to lithium bond)  :: organolitio {m}
organometallic {adj}  :: organometallico
organometallic compound {n} (organic compound)  :: organometallo {m}
organoplasty {n}  :: organoplastia {f}
organotropism {n}  :: organotropismo {m}
organum {n} /ˈɔɹ.ɡə.nəm/ (type of medieval polyphony)  :: diafonia {f}
orgasm {n} /ˈɔɹ.ɡæz.əm/ (the peak of sexual pleasure)  :: orgasmo {m}
orgasm {n} (orgasm) SEE: climax  ::
orgasmic {adj} (of or relating to orgasms)  :: orgasmico
orgonic {adj}  :: orgonico
orgulous {adj} /ˈɔɹɡjələs/ (proud, haughty)  :: orgoglioso {m}, altezzoso, fiero
orgulous {adj} (ostentatious, showy)  :: ostentato, appariscente, vistoso
orgulous {adj} (swollen, augmented, excessive)  :: aumentato, eccessivo, smodato
orgulous {adj} (threatening, dangerous)  :: minaccioso, pericoloso
orgy {n} /ˈɔː.dʒi/ (sexual group activity)  :: orgia {f}
orgy {n}  :: ammucchiata {f}
orient {v} /ˈɔɹ.iː.ɛnt/ (to familiarize with a situation or circumstance)  :: orientarsi
Orient {prop} (Countries of Asia)  :: Oriente {m}, Levante {m}
orientalism {n} (the tendency to represent eastern subjects)  :: orientalismo
Oriental Longhair {n}  :: gatto Oriental Longhair
Oriental Shorthair {n}  :: gatto Oriental Shorthair
orientation {n} ((analysis, differential geometry))  :: orientazione {f}
orientation {n} ((analytic geometry, topology))  :: orientazione {f}
orientation {n}  :: orientamento {m}
orienteer {n} (someone who takes part in the sport of orienteering)  :: orientista {m} {f}
orienteering {n} (racing across unfamiliar countryside using a map and compass)  :: orientamento {m}
orifice {n} (orifice (see anus etc. for specific body cavities)) SEE: hole  ::
orifice {n} (mouth or aperture, as of a tube, pipe)  :: orifizio {m}, orificio {m}
oriflamme {n} /ˈɒɹɪflæm/  :: orifiamma {f}
origami {n} /ˌɔɹəˈɡɑmi/ (the Japanese art of paper folding)  :: origami {m}
origamist {n} (person who does origami)  :: origamista {m} {f}
origin {n} /ˈɒ.ɹɨ.dʒɨn/ (beginning of something)  :: origine
origin {n}  :: origine {f}
original {adj} /əˈɹɪdʒɪnəl/ (first in a series)  :: originale
original {adj} (fresh, different)  :: originale {m} {f}
original {adj}  :: originale {m}{f}
original {n}  :: originale {m}
original {n} (archasm for an excentric) SEE: eccentric  ::
originality {n} /əˌɹɪdʒɪˈnælɪti/ (the quality of being original or novel)  :: originalità {f}
original sin {n} (state of sinfulness in each human)  :: peccato originale {m}
originate {v} /əˈɹɪdʒɪneɪt/ (to give origin to, cause)  :: originare, dare origine
originate {v} (to take first existence, have origin)  :: originare, avere origine
Orinoco {prop} /ˌoʊɹɪˈnoʊkoʊ/ (river)  :: Orinoco {m}
oriole {n} /ˈɔɹi.əl/ (any of the various colourful passerine birds)  :: oriolo {m}
Orion {prop} /əˈɹaɪən/ (in mythology)  :: Orione
Orion {prop} (constellation)  :: Orion, Orione
Oristano {prop} (province)  :: Oristano {f}
Oristano {prop} (town)  :: Oristano {f}
Orkney Islands {prop} (group of islands)  :: le Orcadi {f-p}, le isole Orcadi {f-p}
ornament {n} /ˈɔɹnəmənt/ (element of decoration)  :: ornamento {m}
ornament {n} (musical flourish)  :: ornamenti {p}
ornamental {n} /ˌɔɹnəˈmɛntl/ (plant serving to ornament)  :: ornamentale {m} {f}
ornate wolf {n} (Lycaon pictus) SEE: African hunting dog  ::
ornithine {n} (amino acid)  :: ornitina
ornitho- {prefix} (of or pertaining to birds)  :: ornito-
ornithological {adj} (of or pertaining to ornithology)  :: ornitologico
ornithologist {n} (expert in ornithology)  :: ornitologo {m}, ornitologa {f}
ornithology {n} (scientific study of birds)  :: ornitologia {f}
ornithomimid {n}  :: ornitomimide {m}
ornithopter {n} /ˈɔɹ.nɪˌθɑp.tɚ/ (aircraft that flaps its wings)  :: ornitottero
ornithosis {n} (infection)  :: ornitosi {f}
orogenic {adj} /ɒɹə(ʊ)ˈdʒɛnɪk/ (Concerned with orogeny)  :: orogenetico
orography {n} /ɒˈɹɒɡɹəfi/ (the scientific study, or a physical description of mountains)  :: orografia {f}
orography {n} (the orographic features of a region)  :: orografia {f}
Orontes {prop} /əˈɹɒntiːz/ (a river in Syria)  :: Oronte {m}
oropharynx {n} (the oral part of the pharynx)  :: orofaringe {m} {f}
orotic {adj} (pertaining to orotic acid)  :: orotico
orotic acid {n} (pyrimidine carboxylic acid)  :: acido orotico
orotidine {n} (nucleoside)  :: orotidina {f}
orphan {n} /ˈɔɹfən/ (person whose (parent or) parents have died)  :: orfano {m}, orfana {f}
orphanage {n} /ˈɔː(ɹ)fənɪd͡ʒ/ (a residential institution for the care and protection of orphans)  :: orfanotrofio
orphanarium {n} (orphanage) SEE: orphanage  ::
orphan drug {n}  :: farmaco orfano
Orpheus {prop} /ˈɔɹfi.əs/ (the musician who searched for Eurydice)  :: Orfeo {m}
Orpheus {prop} (male given name)  :: Orfeo
or something {phrase} (or something like that)  :: o giù di lì
orthite {n}  :: ortite {f}
orthobicupola {n} (bicupola in which the bases have the same orientation)  :: ortobicupola {f}
orthocephaly {n}  :: ortocefalia {f}
orthochromatic {adj} (uniformly sensitive across the entire visible range)  :: ortocromatico
orthodox {adj} /ˈɔːθədɒks/ (Adhering to established religious doctrine or tradition)  :: ortodosso {m}
orthodox {adj} (Adhering to whatever is traditional, customary, accepted)  :: ortodosso {m}
Orthodox Church {n} (the Eastern body of Christendom)  :: Chiesa ortodossa {f}
orthodoxy {n} /ˈɔːɹθədɑːksi/ (correctness in doctrine and belief)  :: ortodossia {f}
orthoepy {n} /ˈɔɹθoʊˌɛpi/ (the correct pronunciation of words)  :: ortoepia {f} {}
orthoepy {n} (the study of correct pronunciation of words)  :: ortoepia {f} {}
orthogonality {n} (the property of being orthogonal)  :: ortogonalità {f}
orthogonalization {n} (process of converting a set of functions or vectors)  :: ortogonalizzazione
orthographically {adv} (in an orthographical manner)  :: ortograficamente
orthologous {adj} (having been separated by a speciation event)  :: ortologo
orthopedist {n} (orthopedic surgeon)  :: ortopedico {m}
orthorexia {n} (obsession with healthy food)  :: ortoressia
orthorhombic {adj} (having three unequal axes at right angles)  :: ortorombico
orthostichy {n}  :: ortostica {f}
orthosympathetic {adj} (of or pertaining to the sympathetic component)  :: ortosimpatico
orthotropic {adj} (growing vertically)  :: ortotropo
ortolan {n} /ˈɔɹ.tə.læn/ (a small bird eaten as a delicacy)  :: beccafico
Orwellian {adj} /ɔɹˈwɛli.ən/ (of or relating to Orwell, especially his dystopian novels)  :: orwelliano {m}
Oryol {prop} (a city in Russia)  :: Orël {m}
oryx {n} (antelope)  :: orice {m}
Oscar {prop} /ˈɑs.kɚ/ (male given name)  :: Oscar {m}
Oscar {prop} (the letter "O")  :: Otranto
oscillate {v} /ˈɑsɪleɪt/ (to swing back and forth, especially if with a regular rhythm)  :: oscillare
oscillation {n} (the act of oscillating)  :: oscillazione {f}
oscillograph {n} (oscilloscope) SEE: oscilloscope  ::
oscilloscope {n} /əˈsɪl.ɪ.skəʊp/ (electronic measuring instrument)  :: oscilloscopio {m}
osculating {adj} (having three or more coincident points)  :: osculatore
osculum {n} (main opening in a sponge)  :: osculo {m}
osier {n} /ˈoʊʒəɹ/ (plant)  :: vimini
osier {n} (twig)  :: vimine {m}
Oslo {prop} /ˈɒzləʊ/ (the capital and a county municipality of Norway)  :: Oslo {f}
osmanthus {n} (plant)  :: osmanto {m}
osmium {n} (chemical element)  :: osmio {m}
osmolality {n} (chemistry: the molality of an ideal solution that would exert the same osmotic pressure as the solution being considered)  :: osmolalità {f}
osmolar {adj} (of or pertaining to osmolarity)  :: osmolare
osmometer {n} (measuring device)  :: osmometro {m}
osmometry {n} (measurement of osmotic pressure)  :: osmometria {f}
osmophoric {adj}  :: osmoforo
osmoregulation {n} (homeostatic regulation of osmotic pressure)  :: osmoregolazione
osmosis {n} (movement of molecules)  :: osmosi {f}
osmotic {adj} (of or relating to osmosis)  :: osmotico
osmotrophic {adj}  :: osmotrofo
osprey {n} /ˈɑspɹi/ (bird of prey)  :: falco pescatore {m}
ossein {n}  :: osseina {f}
Ossetia {prop} /əˈsɛtɪə/ (region in the Caucasus)  :: Ossezia {f}
Ossetian {adj} /ɑːˈseti.ən/ (pertaining to Ossetia)  :: osseto {m}, osseta {f}
Ossetian {n} (member of the people)  :: osseto {m}, osseta {f}
Ossetian {prop} (language)  :: osseto {m}
Ossianesque {adj}  :: ossianesco
ossicone {n} (horn-like protuberance)  :: ossicono
ossiferous {adj} (containing or yielding bone)  :: ossifero
ossify {v} (to calcify) SEE: calcify  ::
osso buco {n} /ˌɑsoʊ ˈbukoʊ/ (Italian meat dish)  :: ossobuco {m}, osso buco {m}
ossuary {n} (a place where the dead are buried)  :: ossario {m}
Ostend {prop} /ˈɒstˌɛnd/ (largest coastal city of Belgium)  :: Ostenda
ostensible {adj} /ɑˈstɛns.ɪ.bəl/  :: apparente
ostentatious {adj} /ˌɒs.tɛnˈteɪ.ʃəs/ (of ostentation)  :: ostentato
ostentatious {adj} (intended to attract notice)  :: provocante, provocatore
ostentatious {adj} (of tawdry display)  :: ostentato
osteo- {prefix} (bone)  :: osteo-
osteoarticular {adj} (pertaining to bones)  :: osteoarticolare
osteocalcin {n} (biology: a protein found in bone and dentin, manufactured by osteoblasts)  :: osteocalcina {f}
osteochondrodysplasia {n} (disorder that affects the development of bone and cartilage)  :: osteocondrodisplasia {f}
osteochondroma {n} (tumor)  :: osteocondroma {m}
osteochondrosis {n} /ˌɒstiːəʊkɒnˈdɹəʊsɪs/ (family of orthopedic diseases)  :: osteocondrosi {f}
osteoclast {n} (cell)  :: osteoclasto {m}
osteoclast {n} (instrument)  :: osteoclaste {m}
osteogenesis {n} (the formation and development of bone)  :: osteogenesi {f}
osteologist {n} (specialist in osteology)  :: osteologo {m}
osteomalacia {n} (medicine: a softening of adult bones due to inadequate mineralization)  :: osteomalacia {f}
osteomyelitis {n} (pathology: an infection of the bone)  :: osteomielite {f}
osteonectin {n} (protein hormone)  :: adiponectina {f}
osteopath {n} (medicine: a healthcare practitioner who practices osteopathy by manipulating the skeleton and muscles)  :: osteopata {m} {f}
osteopenia {n} (the medical condition of having low bone density, but not low enough to be considered osteoporosis)  :: osteopenia {f}
osteophyte {n} /ˈɑstioʊˌfaɪt/ (abnormal growth of bone)  :: osteofita {f}
osteotomy {n} (surgery: the surgical procedure of cutting a bone)  :: osteotomia {f}
ostracism {n} /ˈɒstɹəsɪz(ə)m/ (in ancient Greece, the temporary banishment by popular vote)  :: ostracismo {m}
ostracism {n} (banishment, exclusion from community)  :: ostracismo {m}
ostrich {n} /ˈɔs.tɹɪt͡ʃ/ (large flightless bird)  :: struzzo {m}
Ostrobothnia {prop} (region in Finland)  :: Ostrobotnia
Ostrobothnia {prop} (historical province)  :: Ostrobotnia
Ostrogoth {n} (member of a tribe of Eastern Goths)  :: ostrogoto {m}
Oswald {prop} (male given name)  :: Osvaldo
otaku {n} /oʊˈtɑku/ (one with an obsessive interest in something such as anime or manga)  :: otaku {m} {f}
otalgia {n} (earache) SEE: earache  ::
other {adj} /ˈʌðə(ɹ)/ (not the one previously referred to)  :: altro {m}
other {adj}  :: altro
other side {n} (afterlife) SEE: afterlife  ::
otherwise {adv} /ˈʌð.ə(ɹ)ˌwaɪz/ (differently, in another way)  :: differentemente
otherwise {adv} (under different circumstances)  :: in altre circostanze
otherwise {adv} (in all other respects)  :: per altri aspetti, a parte ciò
otiose {adj} /ˈoʊ.ʃi.oʊs/ (resulting in no effect)  :: inutile, vano
otiose {adj} (reluctant to work)  :: ozioso
otolaryngology {n} /ˌoʊ.toʊ.lɛɚ.ɪŋˈɡɑ.lə.d͡ʒi/ (medical study of the ear, nose and throat)  :: otorinolaringoiatria {f}
otolith {n} (small particle in the inner ear)  :: otolite {f}
otology {n} /oʊˈtɑlədʒi/ (the branch of medicine that deals with the ear)  :: otoiatria {f}, otologia {f}
otorhinolaryngology {n} (otolaryngology) SEE: otolaryngology  ::
otoscope {n} /ˈoʊ̯ɾəskoʊ̯p/ (medical instrument)  :: otoscopio {m}
otovestibular {adj}  :: otovestibolare
ottava rima {n} /oʊˌtɑvə ˈɹimə/ (arrangement of stanzas of eight lines rhyming ab ab ab cc)  :: ottava rima {f}
Ottawa {prop} /ˈɒtəwə/ (capital of Canada)  :: Ottawa
otter {n} /ˈɑtɚ/ (mammal)  :: lontra {f}
Ottoman {n} (Turk from the period of Ottoman Empire)  :: osmanli {m} {f}
Ottoman {adj} (of the Islamic empire of Turkey)  :: osmanico, osmanli
Ottoman Empire {prop} /ˈɒtəmən ˈɛmpaɪə/ (Turkish empire)  :: Impero ottomano {m}
Ottonian {adj} (Pertaining to a dynasty of Germanic kings including Otto the Great)  :: ottoniano
Ouagadougou {prop} /ˈwɑːɡəˈduːɡuː/ (capital of Burkina Faso)  :: Ouagadougou
oubliette {n} /uːbliˈɛt/ (dungeon)  :: oubliette {f}
ouch {interj} /ˈaʊtʃ/ (expression of one's own physical pain)  :: ahi, ahia
ought {v} /ɔt/ (indicating duty or obligation)  :: dovere
ought {v} (indicating advisability or prudence)  :: dovere
ought {v} (indicating likelihood or probability)  :: [conditional] dovere
Ouija {n} /ˈwiːdʒə/ (a board with letters of the alphabet and "yes" and "no")  :: ouija, tavola ouija
ounce {n} /aʊns/ (28.3495 g)  :: oncia {f}
our {determiner} /ɑː(ɹ)/ (belonging to us)  :: il nostro {m}, la nostra {f}, i nostri {m-p}, le nostre {f-p}
Our Lady {prop} (Virgin Mary)  :: Nostra Signora {f}, Madonna {f}
Our Lady of Sorrows {prop} (the Virgin Mary in reference to her sorrows)  :: Maria Addolorata {f}, Maria Dolorosa {f}, Madre Dolorosa {f}, Madonna Addolorata {f}, Addolorata {f}, Madonna dei Sette Dolori {f}
ours {pron} /ˈaʊɚz/ (that which belongs to us)  :: il nostro {m}, la nostra {f}, i nostri {m-p}, le nostre {f-p}
ourselves {pron} /aʊɚˈsɛlvz/ (reflexive: us)  :: ci, la nostra {f}, il nostro {m}, le nostre {f-p}
ourselves {pron}  :: noi stessi
-ous {suffix} /əs/ (suffix to form adjectives)  :: -oso {m}, -osa {f}
oust {v} /aʊst/ (to expel; to remove)  :: espellere, cacciare
out {prep} /aʊt/  :: fuori
outact {v} (play a role better)  :: surclassare
outage {n} (suspension of operation)  :: black-out {m}
out-and-out {adj} (complete)  :: spaccato
outboard {n}  :: fuoribordo
outboard {n} (outboard motor) SEE: outboard motor  ::
outboard motor {n} (engine fitted over the transom of a boat)  :: motore fuoribordo {m}
outbuilding {n} /ˈaʊtˌbɪl.dɪŋ/ (separate building associated with a main building)  :: chiosco {m}, padiglione {m}
outburst {n} (a sudden expression of emotion)  :: esplosione {f}, scoppio {m}, scroscio {m}
outcast {n} /aʊtˈkɑːst/ (one that has been excluded from a society or system a pariah)  :: emarginato {m}, emarginata {f}, reietto {m}, reietta {f}, paria {m} [male or female]
outcome {n} /ˈaʊtkʌm/ (result)  :: risultato {m}
outcrop {n} /ˈaʊt.kɹɑp/ (piece of land that stands out)  :: prominenza {f}, protuberanza {f}, sporgenza {f}
outcrop {n} (coming out of bedrock or of an unconsolidated deposit to the surface of the ground)  :: affioramento {m}
outcrop {n} (part of a rock formation that appears at the surface)  :: affioramento {m}
outcry {n} /ˈaʊtkɹaɪ/ (strong protest)  :: protesta {f}
outdated {adj} /aʊtˈdeɪtɪd]/ (out of date, old-fashioned, antiquated)  :: obsoleto
outdegree {n} (number of outward edges)  :: grado uscente {m}
outdo {v} /aʊtˈdu/ (to go beyond)  :: fare meglio
outdoors {adv} (in the open air)  :: all'aperto, all'aria aperta
outer {adj} /ˈaʊtɚ/ (outside)  :: esterno
outermost {adj} /ˈaʊtɚmoʊst/ (farthest outside)  :: estremo
outer planet {n} (planet of the Solar System with an orbit beyond the asteroid belt)  :: pianeta esterno {m}
outer space {n} /ˌaʊtɚ ˈspeɪs/ (region)  :: spazio cosmico {m}, cosmo {m}, spazio esterno {m}
outfit {n} /ˈaʊtfɪt/ (set of clothing)  :: completo {m}, tenuta {f}
outhouse {n} (outdoor toilet, see also: shithouse; latrine; toilet)  :: gabinetto esterno, latrina {f}, cesso alla turca {m}
outhouse {n} (outbuilding) SEE: outbuilding  ::
outlaw {n} (a fugitive from the law)  :: fuorilegge {m}
outlier {n} (a person or thing situated away from the main body or outside its proper place.)  :: eccezione {f}, anomalia {f}
outline {n} /ˈaʊtlaɪn/ (line marking the boundary of an object figure)  :: contorno
outline {n} (outer shape of an object or figure)  :: contorno
outline {v} (to summarize something)  :: riassumere
outliner {n} /ˈaʊtlʌɪnə/  :: sottolineatore
outlook {n} /ˈaʊtlʊk/ (place from which something can be viewed)  :: punto di vista {f}
outlook {n} (view from such a place)  :: vista {f}
outlook {n} (attitude, point of view)  :: punto di vista {m}
outlook {n} (expectation for the future)  :: prospettiva {f}
out of breath {prep} (breathing with difficulty)  :: trafelato {m}
out of character {adj} (not consistent behaviour)  :: fuori dal personaggio
out of hand {adj} (not under control, out of control)  :: fuori controllo
out of it {prep} (drunk) SEE: drunk  ::
out of nowhere {prep} (unexpectedly or unexplicably)  :: dal nulla
out of order {prep} (not functioning properly)  :: guasto
out of place {prep} (not in the proper situation)  :: disambientato, spaesato
out of sight, out of mind {proverb} (something not nearby is forgotten)  :: lontano dagli occhi, lontano dal cuore, occhio non vede, cuore non duole
out of the blue {prep} /aʊt ɒv ðə bluː/ (unexpectedly)  :: di punto in bianco (all of a sudden), come un fulmine a ciel sereno (like a thunder in a clear sky)
out of the frying pan, into the fire {prep} (get from an already bad situation to a worse one)  :: cadere dalla padella nella brace (to fall from the frying pan into the embers), dalla padella alla brace
out of the ordinary {prep} (unusual; not ordinary)  :: fuori dall'ordinario
out of the way {prep} (remote)  :: fuori mano
out of touch {adj} (out of touch with reality)  :: fuori dal mondo, fuori dalla realtà
out of tune {prep} (not in correct musical pitch)  :: stonato, scordato
out of work {adj} (unemployed) SEE: unemployed  ::
outpost {n} /ˈaʊtˌpoʊst/ (A military post)  :: avamposto {m}
outrage {n} /ˈaʊt.ɹeɪd͡ʒ/ (atrocity)  :: oltraggio {m}
outrage {n} (anger)  :: sdegno {m}, indignazione {f}
outrage {v} (to cause or commit an outrage upon)  :: oltraggiare
outreach {n} /ˈaʊtɹiːtʃ/ (extent)  :: estendere
outreach {v}  :: esagerare
outright {adv} /aʊtˈɹaɪt/ (wholly)  :: completamente
outright {adv} (openly)  :: apertamente
outright {adv} (at once)  :: immediatamente
outright {adj} /ˈaʊtɹaɪt/ (unqualified and unreserved)  :: pubblica, pubblico
outset {n} /ˈaʊtsɛt/ (initial stage of something)  :: inizio {m}, principio {m}
outside {adv} /ˈaʊtsaɪd/ (on or towards the outside)  :: fuori
outside {prep} (on the outside of)  :: fuori
outsider {n} /ˌaʊtˈsaɪdəɹ/ (someone excluded)  :: estraneo
outskirt {n} /ˈaʊtskɝt/ (periphery)  :: periferia {f}
outskirts {n} (the edges or areas around a city or town)  :: periferia {f}
outsource {v} /ˈaʊtˌsɔɹs/ (transfer of business to a third party)  :: esternalizzare, subappaltare
outsourcing {n} (transfer business)  :: outsourcing {m}, esternalizzazione, subappalto {m}
outstanding {adj} (standing out from others)  :: eccezionale {m} {f}, notevole {m} {f}
outstanding {adj} (distinguished from others by its superiority)  :: eccezionale {m} {f}, notevole {m} {f}
outstanding {adj} (projecting outwards)  :: saliente {m} {f}
outstanding {adj} (not settled or finished)  :: irrisolto {m}, irrisolta {f}
outstanding {adj} (owed as a debt)  :: in sospesso, in pendenza
outstandingly {adv} (in an outstanding manner)  :: strepitosamente
ouzel {n} /ˈuːz(ə)l/ (Cinclus mexicanus)  :: merlo acquaiolo {m}
oval {n} /ˈoʊvəl/ (shape like an egg or ellipse)  :: ovale {m}
oval {adj} (oval-shaped)  :: ovale
ovarian {adj} /oʊˈvɛɹi.ən/ (Relating to the ovaries)  :: ovarico
ovariectomize {v}  :: ovariectomizzare
ovariotomy {n}  :: ovariotomia {f}
ovaritis {n}  :: ovarite {f}
ovary {n} /ˈoʊvəɹi/ (female organ)  :: ovaia {f}, ovaio {m}, ovario {m}
ovary {n} (botanical organ)  :: ovario {m}
oven {n} /ˈʌ.vn̩/ (chamber used for baking or heating)  :: forno {m}
over {adj} /ˈoʊ.vɚ/ (ended)  :: terminato, finito
over {adv} (again)  :: nuovamente, ancora
over {prep} (physical positioning: on top of; above)  :: sopra
over {prep} (physical positioning: across or spanning)  :: al di là
over {prep} (physical positioning: in such a way as to cover)  :: sopra
over {prep} (by comparison: more than; to a greater degree)  :: più di
over {prep}  :: sopra
over {interj} (end of sentence in radio communication)  :: passo
over a barrel {prep} (in a helpless situation)  :: spalle al muro
overalls {n} /ovəɹˈɑlz/ (loose fitting garment worn over regular clothes to protect them)  :: tuta {f}
overalls {n} (loose fitting pair of pants with a bib)  :: salopette {f}
overalls {n}  :: tuta
over and out {interj} (end of conversation)  :: passo e chiudo
over and over {adv} (repeatedly)  :: ripetutamente
overblown {adj} (Of exaggerated importance)  :: esagerato {m}, eccessivo {m}
overcast {adj} /ˈoʊvɚ.kæst/ (covered with clouds; overshadowed; darkened)  :: coperto {m}, nuvoloso {m}
overcast {adj} (meteorological term)  :: coperto {m}
overcoat {n} /ˈoʊvəɹkoʊt/ (garment)  :: soprabito {m}, cappotto {m}
overcome {v} /oʊvəɹˈkəm/ (surmount, get the better of)  :: vincere
overcrowd {v}  :: affollare
overdo {v} /ˌoʊ.vəɹˈdu/ (to cook too much)  :: cuocere troppo
overdosage {n} (taking pharmaceutical drug in excess)  :: sovradosaggio {m}
overdose {n} (excessive and dangerous dose of a drug)  :: overdose {f}
overdraft {n} /ˈoʊvɚdɹæft/ (act of overdrawing a bank account)  :: scoperto
overdraught {n} (overdraft) SEE: overdraft  ::
overdrive {n} (gear on an automobile)  :: sovrautilizzo {m}
overdue {adj} /ˌoʊ.vəɹˈdu/ (Late; especially, past a deadline or too late to fulfill a need)  :: scaduto {m}, in ritardo
overeat {v} /ˌoʊvɚˈit/ (eat too much)  :: mangiare troppo
overestimate {v} (to judge too highly)  :: sopravvalutare
overexcite {v} (to excite to an excessive degree)  :: sovreccitare
overexploitation {n} (excessive and damaging exploitation)  :: sovrasfruttamento {m}
overflight {n} (flight over a place)  :: sorvolo {m}
overflow {n} /ˈəʊvəˌfləʊ/ (spillage)  :: straripamento
overflow {v} (to fill beyond the limits of)  :: traboccare, ridondare, sommergere
overflow {v} (computing: to exceed the available numeric range)  :: ridondare
overflow {v}  :: debordare, straripare
overhang {v} /ˈoʊvəɹˌhæŋ/ (hang over)  :: aggettare, sporgere, sportare
overhaul {n} /ˈəʊvəˌhɔːl/ (a major repair, remake, renovation, or revision)  :: revisione {f}
overhaul {v} (to modernize, repair, renovate, or revise completely)  :: revisionare
overhead fan {n} (ceiling fan) SEE: ceiling fan  ::
overhear {v} /oʊ.vɚ.hɪɚ/ (To hear something that wasn't meant for one's ears)  :: origliare
overheat {v} (overheat) SEE: burn  ::
overkill {n} /ˈoʊvɚˌkɪl/ (an unnecessary excess of something (idiomatic))  :: eccessivo
overlap {v} /ˌəʊvəˈlæp/ (have DNA parts in common)  :: sovrapporsi
overlapping {adj} (pertaining to things which overlap)  :: sovrapposto
overlay {v} (overwhelm) SEE: overwhelm  ::
overload {v} (to load excessively)  :: sovraccaricare
overload {v} (to provide too much power to a circuit)  :: sovraccaricare
overlord {n} (a ruler of other rulers)  :: signore supremo {m}, sovrano {m}
overlord {n} (anyone with overarching power or authority in given domain)  :: signore feudale {m}
overmorrow {adv} (on the day after tomorrow) SEE: day after tomorrow  ::
overmorrow {n} (day after tomorrow) SEE: day after tomorrow  ::
overnight {adv} (in a very short amount of time)  :: da un giorno all'altro, da un momento all'altro
overnight {adj} (during a single night)  :: notturno
overnourished {adj} (overweight) SEE: overweight  ::
overpaid {v} /oʊ.vɚ.peɪd/ (past of 'to overpay')  :: strapagati
overpass {n} (A section of a road or path that crosses over an obstacle, especially another road, railway, etc)  :: cavalcavia {m}, viadotto {m}, sovrappasso {m}
overpower {v} (overpower) SEE: compel  ::
overpressure {n} (excess or markedly elevated pressure)  :: sovrappressione {f}
overpriced {adj} (priced higher than what it is really worth)  :: sopra-valutato
overseas {adj} /ˌoʊvɚˈsiːz/ (abroad)  :: estero
overseas {adj} (across a sea)  :: oltremare
overseas {adv} (abroad)  :: all'estero
overseer {n} /ˈəʊvəˌsiːə(ɹ)/ (one who oversees)  :: ispettore
oversize {v} (To exceed in size)  :: sovradimensionare
overstep {v} /ˌoʊvɚˈstɛp/ (To go too far beyond (a limit); especially, to cross boundaries or exceed norms or conventions.)  :: oltrepassare
overt {adj} /oʊˈvɜɹt/ (open and not secret)  :: manifesto
overtake {v} /oʊvɚˈteɪk/ (to pass a more slowly moving object)  :: superare
over there {adv} (in that place)  :: laggiù
overthrow {v} /oʊ.vɚ.ˈθɹoʊ/ (bring about downfall)  :: deporre, rovesciare
overtime {n} /ˈoʊvɚˌtaɪm/ (worktime)  :: straordinari {m-p}
overture {n} /ˈoʊvəɹtʃəɹ/ (musical introduction)  :: ouverture {f}
overturn {v} (to turn over, capsize)  :: ribaltare, capovolgere
overview {n} (brief summary, as of a book or a presentation)  :: visione d'insieme {m}, resoconto
overvoltage {n} (difference in potential)  :: sovratensione {f}
overweight {adj} /ˌoʊvɚˈweɪt/ (of a person, heavier than is healthy)  :: in sovrappeso
overwhelm {v} /ˌoʊvɚˈʍɛlm/  :: sommergere, seppellire, sgominare, travolgere, sopraffare, confondere, imbarazzare
overwrought {adj} /əʊ.vəˈɹɔːt/ (in a state of excessive nervousness, excitement, or anger)  :: sovraeccitato, alterato
overwrought {adj} (elaborate; overdone)  :: ricercato, elaborato
Ovidian {adj} (of Ovid)  :: ovidiano
oviduct {n} (duct through which an ovum passes)  :: ovidotto {m}
ovine {adj} (of or relating to sheep)  :: ovino {m}, ovina {f}
oviparous {adj} /oʊˈvɪpəɹəs/ (egg laying)  :: oviparo
oviposit {v} (oviposit)  :: ovideporre
ovipositor {n} /əʊvɪˈpɒzɪtə/ (tubular organ for laying eggs)  :: ovopositore {m}
ovoid {adj} (shaped like an oval)  :: ovoide
ovoid {n} (something oval in shape)  :: ovoide {m}
ovoviviparous {adj} /ˌoʊvoʊvɪˈvɪpəɹəs/ (pertaining to animals whose eggs hatch inside their body)  :: ovoviviparo
ovulate {v} (produce eggs or ova)  :: ovulare
ovulation {n} /ɑvjəˈleɪʃ(ə)n/ (release of an ovum from the ovary)  :: ovulazione {f}
ovulatory {adj} /ɒvjʊˈleɪtəɹi/ (pertaining to ovulation; ovulating)  :: ovulatorio
ovum {n} /ˈoʊ.vəm/ (gamete)  :: ovulo {m}
owe {v} /oʊ/ (to be under an obligation)  :: dovere
owe {v} (to be in debt)  :: dovere
owe {v}  :: dovere, essere debitore di
Owenism {n}  :: owenismo {m}
owl {n} /aʊl/ (a bird)  :: gufo {m} [big], civetta {f} [small]
own {v} (defeat) SEE: defeat  ::
own {v} /ˈoʊn/ (have rightful possession of)  :: possedere
own {adj} (belonging to (determiner))  :: [used before the noun] proprio
owner {n} /ˈoʊnɚ/ (one who owns)  :: proprietario {m}
ownership {n} (legal status)  :: possesso {m}, proprietà {f}
own goal {n} (goal scored by player against their own team)  :: autorete {f}, autogoal {m}
ox {n} /ˈɑks/ (any bovine animal used as a beast of burden)  :: bue {m}, bove
oxalemia {n} (presence of oxalic acid in the blood)  :: ossalemia {f}
oxalic {adj} /ɑkˈsælɪk/ (of or pertaining to oxalic acid)  :: ossalico
oxaluria {n}  :: ossaluria {f}
oxbow lake {n} (crescent-shaped lake)  :: lanca
oxeye daisy {n} (flower)  :: margherita {f}
Oxford {prop} /ˈɒksfəd/ (city)  :: Oxford
Oxford {prop} (university)  :: l’università di Oxford {f}
oxidanium {n} (hydronium) SEE: hydronium  ::
oxidant {n} (oxidizing agent)  :: ossidante {m}
oxidase {n} (oxidase enzyme)  :: ossidasi {f}
oxidation {n} (combination of a substance with oxygen)  :: ossidazione {f}
oxidation {n}  :: ossidazione {f}
oxidative {adj} (Relating to oxidation)  :: ossidativo
oxide {n} /ˈɒksaɪd/ (binary compound of oxygen)  :: ossido {m}
oxidimetric {adj}  :: ossidimetrico
oxidimetry {n}  :: ossidimetria {f}
oxidizable {adj} (capable of being oxidised)  :: ossidabile
oxidization {n} (oxidation) SEE: oxidation  ::
oxidize {v} (to combine with oxygen)  :: ossidare
oxidize {v} (to become oxidized)  :: ossidarsi
oxidoreductase {n} (enzyme that catalyzes redox reactions)  :: ossidoreduttasi {f}
oximeter {n} (oxygen saturation measuring device)  :: ossimetro {m}
oxoammonium {n}  :: ossoammonio {m}
Oxonian {adj} (of or pertaining to Oxford)  :: oxoniense
oxtail {n} (meat from the tail of a cow)  :: coda di bue {f}
oxyacetylene {adj} (oxyacetylene)  :: ossiacetilenico {m}
oxyacid {n} (an acid containing oxygen)  :: ossiacido {m}
oxychloride {n} (compound of oxygen and chlorine)  :: ossicloruro {m}
oxygen {n} /ˈɒksɪdʒən̩/ (chemical element)  :: ossigeno {m}
oxygenate {v} (infuse with oxygen)  :: ossigenare, ossigenarsi
oxygenation {n} (process of treating something with oxygen)  :: ossigenazione {f}
oxygenator {n} (device that releases oxygen into water)  :: ossigenatore {m}
oxygenic {adj} (of, relating to, containing or producing oxygen)  :: ossigenico
oxygen therapy {n} (therapeutic administration of oxygen)  :: ossigenoterapia {f}
oxyhaemoglobin {n} (form of haemoglobin)  :: ossiemoglobina {f}
oxyhydrogen {adj} (using a mixture of hydrogen and oxygen)  :: ossidrico {m}
oxymel {n} /ˈɒksɪmɛl/  :: ossimiele {m}
oxymoron {n} /ˌɑksiˈmɔɹɑn/ (figure of speech)  :: ossimoro {m}
oxymoron {n} (contradiction in terms) SEE: contradiction in terms  ::
oxynosema {n} /ɒks.ɪn.oʊ.ˈseɪ.mɑː/  :: ossinosema
oxysulfide {n} (mixed oxide and sulfide)  :: ossisulfuro {m}
oxytocic {adj} /ˌɑksiˈtɑsɪk/ (serving to promote uterine contractions)  :: ossitocico {m}
oxytocin {n} /ɑksiˈtoʊsɪn/ (hormone)  :: ossitocina {f}
oxytone {n} /ˈɑksɪˌtoʊn/ (word with the stress or an acute accent on the last syllable)  :: ossitona {f}
oxytonize {v}  :: ossitonizzare
oyster {n} /ˈɔɪ.stə(ɹ)/ (mollusk, see also: clam; mollusc; mussel)  :: ostrica {f}
ozone {n} (O3)  :: ozono {m}
ozone hole {n} (region of the stratosphere over Antarctica that is depleted of ozone in the local spring)  :: buco dell'ozono {m}
ozone layer {n} (a region of the stratosphere)  :: ozonosfera {f}
ozonosphere {n} (part of the stratosphere)  :: ozonosfera {f}