air conditioningair conditioning
a method of filtering air and keeping its humidity and temperature at desired levels, as in buildings and vehicles, esp. so as to cool the air and lower its humidity in warm weather
nounAbbr. AC or a/c
- The state of temperature and humidity produced by an air conditioner.
- An air conditioner or system of air conditioners: a car with air conditioning.
- Present participle of air-condition.
- (UK) Alternative spelling of air conditioning.