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air conditioning

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.
Origin of air conditioning
1905-1910
1905-10
Related forms
air-conditioning, adjective

air-condition

[air-kuh n-dish-uh n] /ˈɛər kənˌdɪʃ ən/
verb (used with object)
1.
to furnish with an air-conditioning system.
2.
to treat (air) with such a system.
Origin
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for air conditioning
Contemporary Examples
Historical Examples
  • Every building had been sealed and filters had been built into the air conditioning systems.

    Islands of Space John W Campbell
  • I turn on the air conditioning as it gets as humid in the Mole as in the Amazon jungle during the dog days.

    Operation Earthworm Joe Archibald
  • There was a faint hum that built up all over the ship as the air conditioning came on at the same time.

    Unwise Child Gordon Randall Garrett
  • These ships ought to have a spare engine just to take care of the heating and air conditioning.

    The Copper-Clad World Harl Vincent
  • There was no need for them to open, because of the air conditioning.

    Anything You Can Do ... Gordon Randall Garrett
British Dictionary definitions for air conditioning

air conditioning

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

air-condition

verb
1.
(transitive) to apply air conditioning to
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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Difficulty index for air conditioning

Few English speakers likely know this word

Word Value for air

3
3
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