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air chamber a compartment in which air is confined for a special use, as in a pump, a hydraulic fluid regulator, or a living organism.
aircheck a recording of a radio broadcast, esp. of music.
air command a major unit in a military air force, esp. in the United States.
air-condition to furnish with air conditioning.
air conditioner a device that circulates cooled and dehumidified air in a building, car, or other space.
air conditioning a system that circulates cooled and dehumidified air in a building, car, or other space.
air-cooled cooled by circulating air, as an engine. [2 definitions]
aircraft any man-made vehicle that can fly through the air, such as an airplane, helicopter, glider, or balloon.
aircraft carrier a very large warship with a flat upper deck on which airplanes can take off and land.
air curtain a draft of compressed air blown continuously across a doorway, usu. downward, to act as a door in maintaining interior temperature.
airdrome an airport or landing field.
airdrop to deliver by parachute from an aircraft. [2 definitions]
air-dry to allow to dry by the process of evaporation into the air rather than by the use of an appliance. [2 definitions]
Airedale one of a breed of large, long-legged terriers with wiry tan hair and black markings.
airfare fare for traveling by aircraft, esp. by airplane.
airfield a level surface, usu. with one or more paved runways, on which aircraft land and take off; airport.
airflow a flow of air, esp. around a moving vehicle, missile, or the like.
airfoil any aircraft part or surface, such as a wing or rudder, designed to utilize aircurrents to aid in propelling, lifting, and controlling movement.
air force the aviation branch of a nation's military forces, or one of the units under an air command.
air-fuel pertaining to the air and fuel injected at the same time into a combustion engine.
air gun a gun that is operated by compressed air and usu. fires small pellets. [2 definitions]