air-condition

verb

air-con·​di·​tion ˌer-kən-ˈdi-shən How to pronounce air-condition (audio)
air-conditioned; air-conditioning; air-conditions
Synonyms of air-conditionnext

transitive verb

: to equip (something, such as a building or vehicle) with an apparatus for washing air and controlling its humidity and temperature
also : to subject (air) to these processes
air-conditioned adjective
an air-conditioned building/room/car
air conditioner noun
air-conditioning noun

Examples of air-condition in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To ensure safety during outdoor work, adhere to the Occupational Safety and Health Administration (OSHA)'s recommendations by incorporating regular rest breaks in shaded or air-conditioned environments. Ca Weather Bot, Sacbee.com, 11 May 2026 On hot days, that wall can keep the indoor space air-conditioned. Los Angeles Times, 11 May 2026 Carcassonne is very hot in summer (though the hotel is air-conditioned). Condé Nast, Condé Nast Traveler, 28 Apr. 2026 Some restaurants, particularly in hotels, are air-conditioned to the point of being frigid, and temperatures drop at night. Jamie Davis Smith, Travel + Leisure, 4 Apr. 2026 See All Example Sentences for air-condition

Word History

Etymology

back-formation from air conditioning

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of air-condition was in 1914

Browse Nearby Words

Cite this Entry

“Air-condition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air-condition. Accessed 15 May. 2026.

Kids Definition

air-condition

verb
air-con·​di·​tion
ˌa(ə)r-kən-ˈdish-ən
ˌe(ə)r-
: to equip with a device for cleaning air and controlling its humidity and temperature
air conditioner
-ˈdish-(ə-)nər
noun
air-conditioning
-ˈdish-(ə-)niŋ
noun

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