air conditionerair conditioner
An apparatus for controlling, especially lowering, the temperature and humidity of an enclosed space.
(plural air conditioners)
- Alternative spelling of air conditioner.
- You could crank up the air-conditioner, but that keeps you indoors and it's a shame to waste a summer day.
- When you're driving, cooler air either from an open window or the air-conditioner can help you stay awake.