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

Etymology

Origin of air conditioning

First recorded in 1905–10

Example Sentences

"I'm chasing the companies that make those servers that go sit in those data centres, the companies that make the entire air conditioning, the water-cooling system -- the whole nine yards."

From Barron's

"I like the idea," said the air conditioning engineer, 23.

From Barron's

"A number of HFOs are known to be TFA-forming and the growing use of these chemicals for car air conditioning in Europe and elsewhere adds uncertainty to future levels of TFA in our environment."

From Science Daily

They are smaller than an air conditioning unit, at about 2 feet wide and deep and 3 feet tall.

From The Wall Street Journal

Common household devices such as fans and air conditioning systems also produce broadband noise.

From Science Daily