Dictionary

air–condition

verb air–con·di·tion \ˌer-kən-ˈdi-shən\

Definition of AIR-CONDITION

transitive verb
:  to equip (as a building) with an apparatus for washing air and controlling its humidity and temperature; also :  to subject (air) to these processes
air conditioner noun
air–con·di·tion·ing \-ˈdi-sh(ə-)niŋ\ noun

Origin of AIR-CONDITION

back-formation from air conditioning
First Known Use: 1914

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