0 air conditioner air conditioner [noun]a machine that keeps the air in a building cool US /ˈer kənˌdɪʃ.ən.ɚ/ UK /ˈeə kənˌdɪʃ.ən.ər/ Longman Dictionary of Contemporary English air conditioner ˈair conˌditioner BrE AmE noun [countable] a machine that makes the air in a room or building cooler and drier Oxford Advanced Learner's Dictionary air conditioner ˈair conditioner [air conditioner] noun a machine that cools and dries air Cambridge Advanced Learner's Dictionary Cambridge Advanced Learner's Dictionary - 4th Edition ˈ air con ˌ ditioner noun [ C ] a machine that keeps the air in a building cool © Cambridge University Press 2013 Collins COBUILD Advanced Learner’s English Dictionary air conditioner air conditioners N-COUNT An air conditioner is a machine which keeps the air in a building cool and dry.(in BRIT, also use air-conditioner) Merriam-Webster's Advanced Learner's Dictionary Merriam-Webster's Advanced Learner's Dictionary: air conditioner air conditioner noun, pl ~ -ers [count] : a machine that is used to cool and dry the air in a building, room, etc. American EnglishBritish EnglishVents and ventilationA1 (Basic)noun
