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9,359 words — headwords with part of speech, pronunciation, and a plain-language definition.

A+: initialism of à plus
A. O.: initialism of Afrique orientale (East Africa), used as an overprint on stamps of Belgian Congo in 1918 for use in Belgian occupied German East Africa
A.M.: ante meridiem
A23a: A23a (iceberg)
AA: abbreviation of Alcooliques Anonymes
AAAAA: abbreviation of Association Amicale des Amateurs d'Andouillette Authentique (“Friendly Association of Authentic Andouillette Amateurs”)
AB: initialism of agriculture biologique
ABS: initialism of système de freinage antiblocage
AC45: AC45 (America's Cup class)
AC72: AC72 (America's Cup class developed for the 2013 America's Cup)
AC90: AC90
ACAL: acronym of Alsace-Champagne-Ardenne-Lorraine
ACC: abbreviation of Alliance pour la conscience citoyenne
ACC: abbreviation of aminocyclopropane carboxylique
ACE: acronym of antigène carcino-embryonnaire (“carcinoembryonic antigen”): CEA
ACE: acronym of allocation canadienne pour enfants (“Canada Child Benefit”): CCB
ACEA: initialism of Association des constructeurs européens d'automobiles
ACEUM: USMCA; abbreviation of Accord Canada–États-Unis–Mexique
ACL: afficheur à cristaux liquides — LCD
ACS: initialism of Automobile Club de Suisse, the Swiss Automobile Club
ADHOC: acronym of Association pour les droits de l'homme et le développement au Cambodge
ADM: initialism of arme de destruction massive (“weapon of mass destruction”): WMD
ADN: initialism of acide désoxyribonucléique (“DNA”)
ADN poubelle: junk DNA
ADQ: Action démocratique du Québec (a political party in Quebec)
AELE: initialism of Association européenne de libre-échange (the European Free Trade Association, EFTA)
AEUMC: USMCA (“United States-Mexico-Canada Agreement”) abbreviation of Accord États-Unis-Mexique-Canada
AFM: AFM (“atomic force microscope”) abbreviation of microscope à force atomique
AFM: AFM (“atomic force microscopy”) abbreviation of microscopie à force atomique
AFN: initialism of Afrique française du Nord (“French North Africa”), the collective name of the French colonies in North Africa, which correspond to modern-day Algeria, Morocco and Tunisia
AFP: initialism of Agence France-Presse
AFPC: initialism of Alliance de la Fonction publique du Canada (“Public Service Alliance of Canada”): PSAC
AGP: abbreviation of Englishaccelerated graphics port; abbreviation of autogynéphilie
AGP: abbreviation of autogynéphile
AIE: abbreviation of arme à impulsion électrique
AIIP: abbreviation of arme intermédiaire d'impact à projectile
AIP: abbreviation of arme d'impact à projectile
AIÉ: abbreviation of arme à impulsion électrique
AJ: auberge de jeunesse
AJA: initialism of AJ Auxerre, a French football club from the town of Auxerre
ALE: FTA (“Free Trade Agreement”) abbreviation of Accord de Libre-Échange (Canada-U.S.)
ALP: TTYL/TTYA/cul8r; abbreviation of à la prochaine
ALÉNA: NAFTA (“North American Free Trade Agreement”)
AM: abbreviation of ante meridiem
AMA: WADA (“World Anti-Doping Agency”); abbreviation of Agence Mondiale Antidopage
AMC: GAC (“Global Affairs Canada”): abbreviation of Affaires mondiales Canada
AMC: initialism of auto-mitrailleuse de combat = combat machine-gun carrier or armored car
AMD: initialism of auto-mitrailleuse de découverte, reconnaissance machine-gun carrier or armored car
AML: initialism of auto-mitrailleuse lourde: heavy machine-gun carrier or armored car
AMM: initialism of autorisation de mise sur le marché
AMR: initialism of auto-mitrailleuse de reconnaissance (“reconnaissance machine-gun carrier or armored car”)
AMT: MTA - AMT — Agence métropolitaine de transport – the former public transit agency for the CMM, now replaced by the RTM - the Réseau de transport métropolitain
ANP: initialism of Autorité nationale palestinienne (“Palestinian National Authority”): PNA
AOC: initialism of appellation d'origine contrôlée
AOR: abbreviation of athlètes olympiques de Russie
AP: Apples CH (Swiss commune); Awyer
API: initialism of alphabet phonétique international: IPA (International Phonetic Alphabet)
API: API, application programming interface
API: initialism of automate programmable industriel (programmable logic controller), PLC
APLE: initialism of Action Pour Les Enfants