Glossary · Nouns · A
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TermTypeDefinitionClassificationsUpdated
Antioxidantnounsubstance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxidesverified
Antiparticlenouna particle that has the same mass as another particle but has opposite values for its other propertiesverified
Antipersonnel BombnounMWEa bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragmentsverified
Antiphrasisnounthe use of a word in a sense opposite to its normal sense (especially in irony)verified
Antipopenounsomeone who is elected pope in opposition to another person who is held to be canonically electedverified
Antiprotozoalnouna medicinal drug used to fight diseases (like malaria) that are caused by protozoaverified
Antiprotozoal DrugnounMWEa medicinal drug used to fight diseases (like malaria) that are caused by protozoaverified
Antipsychoticnountranquilizer used to treat psychotic conditions when a calming effect is desiredverified
Antipsychotic AgentnounMWEtranquilizer used to treat psychotic conditions when a calming effect is desiredverified
Antipsychotic DrugnounMWEtranquilizer used to treat psychotic conditions when a calming effect is desiredverified
Antisocial Personality DisordernounMWEa personality disorder characterized by amorality and lack of affectverified
Antispasmodicnouna drug used to relieve or prevent spasms (especially of the smooth muscles)verified
Antispasmodic AgentnounMWEa drug used to relieve or prevent spasms (especially of the smooth muscles)verified
antispyware softwarenounMWEA program that specializes in detecting both malware and non-malware forms of spyware.Capability
Antistrophenounthe section of a choral ode answering a previous strophe in classical Greek dramaverified
Antitrade WindnounMWEwinds blowing from west to east and lying above the trade winds in the tropicsverified
Antitradesnounwind in the upper atmosphere blowing above but in the opposite direction from the trade windsverified
Antitrust CasenounMWEa legal action brought against parties who are charged with limiting free competition in the market placeverified
Antitrust LawnounMWElaw intended to promote free competition in the market place by outlawing monopoliesverified
Antitrust LegislationnounMWElaw intended to promote free competition in the market place by outlawing monopoliesverified
Antivenenenounan antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animalverified
Antiveninnounan antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animalverified
Antivirus softwarenounMWEA program that monitors a computer or network to identify all major types of malware and prevent or contain malware incidents.Control
antivirus update processnounMWEA particular series of actions or steps to bring about an antivirus update.Process
Antivirus/anti-malware softwarenounMWEA program that monitors a computer or network to identify all types of malware and prevent or contain malware incidents.Threat
Antonymnouna word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each otherverified
Antonymynounthe semantic relation that holds between two words that can (in a given context) express opposite meaningsverified
Anxietynoun(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panicverified
Anxiety DisordernounMWEa cover term for a variety of mental disorders in which severe anxiety is a salient symptomverified
Anxiety HysterianounMWEa form of hysteria having features of both conversion disorder and anxiety neurosisverified
Anxiety NeurosisnounMWEcharacterized by diffuse anxiety and often somatic manifestations of fearverified
Anxiety ReactionnounMWEan anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling or lightheadedness or irritability etc that has lasted for more than six monthsverified
Anxiolytic DrugnounMWEa tranquilizer used to relieve anxiety and reduce tension and irritabilityverified
Anxiousnessnoun(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panicverified
Any-And-All BidnounMWEa takeover bid where the acquirer offers to buy any and all shares outstandingverified
Ao DainounMWEthe traditional dress of Vietnamese women consisting of a tunic with long sleeves and panels front and backverified
Aoristnouna verb tense in some languages (classical Greek and Sanskrit) expressing action (especially past action) without indicating its completion or continuationverified
Aortanounthe large trunk artery that carries blood from the left ventricle of the heart to branch arteriesverified
Apache DancenounMWEa violent fast dance in French vaudeville (an apache is a member of the French underworld)verified
Apanagenouna grant (by a sovereign or a legislative body) of resources to maintain a dependent member of a ruling familyverified
Apartheidnouna social policy or racial segregation involving political and economic and legal discrimination against people who are not Whitesverified
Apatitenouna common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphateverified
Apatosaurnounhuge quadrupedal herbivorous dinosaur common in North America in the late Jurassicverified
Apatosaurusnounhuge quadrupedal herbivorous dinosaur common in North America in the late Jurassicverified
Ape-Mannounhypothetical organism formerly thought to be intermediate between apes and human beingsverified