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Synonyms

air conditioning

American  
[air kuhn-dish-uh-ning] / ˈɛər kənˈdɪʃ ə nɪŋ /

noun

  1. a system or process for controlling the temperature, humidity, and sometimes the purity of the air in an interior, as of an office, theater, laboratory, or house, especially one capable of cooling.

  2. an air-conditioning system or unit.


air conditioning British  

noun

  1. a system or process for controlling the temperature and sometimes the humidity and purity of the air in a house, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of air conditioning

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Zhuravylov has lived in Warsaw with his family since just before Russia's full-scale invasion of Ukraine and has his own business there installing air conditioning.

From BBC ● Oct. 10, 2026

That is paired with down-sloping winds and uncharacteristically warm ocean temperatures — driven in part by an El Niño that has reduced Southern California’s sea breeze, frequently known as its natural air conditioning.

From Los Angeles Times ● Oct. 6, 2026

After being shuttled in less than half an hour between aggressive air conditioning, a muggy Chicago street and the temperate library, the cup had begun producing condensation at an alarming rate.

From Salon ● Sep. 23, 2026

The air conditioning units had undergone maintenance, but the report says this is not the same as a safety check.

From BBC ● Sep. 16, 2026

She reached out and turned the air conditioning down a couple of clicks.

From "The Serpent King" by Jeff Zentner

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