Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

air-conditioning

noun

Definition of air-conditioning

  1. :  a system used for cooling and drying the air in a building, room, etc. <She wanted her house to have air-conditioning.> —often used before another noun <an air-conditioning system>



Word by Word Definitions

air-conditionplay air-conditioning
  1. :  to equip (as a building) with an apparatus for washing air and controlling its humidity and temperature

    :  to subject (air) to these processes


Seen and Heard

What made you want to look up air-conditioning? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a jerking and twitching of the body

Get Word of the Day daily email!