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air conditioning

[ airkuhn-dish-uh-ning ]
/ ˈɛər kənˈdɪʃ ə nɪŋ /
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noun
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.
an air-conditioning system or unit.
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Also called AC, A/C, A.C., a/c, a.c. [ey-see] /ˈeɪˈsi/ .

Origin of air conditioning

First recorded in 1905–10

OTHER WORDS FROM air conditioning

air-con·di·tion·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use air conditioning in a sentence

British Dictionary definitions for air conditioning

air conditioning

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

Derived forms of air conditioning

air conditioner, noun
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
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