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.

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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

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Other Word Forms

• air conditioner
  noun
• air-conditioning
  adjective

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Etymology

Origin of air conditioning

First recorded in 1905–10

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Example Sentences

See Examples For:

air conditioning

He jacked up the air conditioning and hit the gas.

From The Wall Street Journal ● Oct. 15, 2026

“There’s a high risk for heat illness Thursday through Saturday,” said Kittell, as many residents do not have air conditioning in coastal areas.

From Los Angeles Times ● Oct. 13, 2026

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

Her character wears legwarmers and knit wristlets to the office as protection against the air conditioning, which also serves to emphasize her company’s interpersonal chill.

From Los Angeles Times ● Oct. 9, 2026

My solution to the lack of air conditioning at my own house was to run our T-shirts under the cold, cold tap water in the bathroom sink.

From "The Miseducation of Cameron Post" by emily m. danforth

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