| air pressure |
the force of air on things. Air pressure has to do with how much force air has when it has been compressed into a space like a tire. It is also the pressure of the earth's atmosphere. |
| air pump |
a pump for suctioning, compressing, or injecting air. |
| air quality |
the degree that the air in a particular environment contains pollution. |
| air raid |
a military raid by aircraft, esp. bombers. |
| air rifle |
a rifle operated by compressed air, used to fire small pellets or the like. |
| air sac |
an air-filled space or cavity in a living organism, esp. any of the ends of certain bronchial tubes in a bird's body that connect with the larger body cavity and assist in breathing. |
| air shaft |
a narrow vertical passage through which fresh air can reach an otherwise enclosed area such as the interior of a building; ventilating shaft. |
| air taxi |
a small aircraft that carries passengers or cargo over short distances, esp. to places not served by regular airlines. |
| air traffic |
movement of airplanes and other air transportation vehicles through the air or on runways. |
| air well |
a usu. central court that is enclosed by the exterior walls of a building and provides air and light. |
| air-condition |
to furnish with air conditioning. |
| air-cooled |
cooled by circulating air, as an engine. [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] |
| air-fuel |
pertaining to the air and fuel injected at the same time into a combustion engine. |
| air-minded |
enthusiastic about aviation. |
| air-to-air |
of a missile or the like, designed to be shot by an aircraft at an aerial target. |
| airbrush |
an atomizer used to apply liquid, usu. paint, in a fine spray. |
| airstrike |
an attack by air forces or other military aviation against a ground or naval target. |
| castle in the air |
a fanciful wish or scheme; daydream; pipe dream. |
| compressed air |
air subjected to greater pressure than the surrounding atmosphere, esp. by mechanical means. |