Meaning of air conditioning

air' condi"tioning

Pronunciation: [key]
  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, esp. one capable of cooling.
  2. an air-conditioning system or unit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.