air-condition

verb

air-con·​di·​tion ˌer-kən-ˈdi-shən 

air-conditioned; air-conditioning; air-conditions

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

ˌer-kən-ˈdi-shənd 

adjective

an air-conditioned building/room/car

air conditioner noun

air-conditioning

ˌer-kən-ˈdi-sh(ə-)niŋ 

noun

Examples of air-condition in a Sentence

Recent Examples on the Web

The main hall, essentially a very long gray tent, was filled with the sounds of power tools and hadn’t yet been air-conditioned, giving it the feeling of a sweltering urban jungle. —Tim McDonnell, semafor.com, 11 Nov. 2025

How to Get Around Metro Rio’s metro is fast, clean, and air-conditioned, with stops in Ipanema and Copacabana. —Aaron Randolph, Travel + Leisure, 5 Nov. 2025

To minimize risks during outdoor work, the Occupational Safety and Health Administration (OSHA) advises incorporating frequent rest breaks in shaded or air-conditioned areas. —Ca Weather Bot, Sacbee.com, 27 Oct. 2025

Chief Anthony Dwyer of the sheriff's office said the jail is air-conditioned during the summer, but balked at Soliman's allegation that the booking room was sub-freezing. —Patricia Gallagher Newberry, Cincinnati Enquirer, 17 Oct. 2025

Word History

Etymology

back-formation from air conditioning

First Known Use

1914, in the meaning defined above

Rhymes for air-condition

• abolition
• acquisition
• admonition
• ammunition
• apparition
• apposition
• coalition
• competition
• composition
• definition
• deglutition
• demolition

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