| airmail |
of, pertaining to, or intended for use with mail sent by air. [5 definitions] |
| airman |
in the U.S. Air Force, an enlisted person of one of the four lowest ranks. [3 definitions] |
| air mass |
a body of air that covers a wide area and has little horizontal variation in temperature, pressure, or moisture. |
| air mattress |
a mattress filled with air, used esp. for camping, mobile living, or as an extra bed for visitors. |
| air-minded |
enthusiastic about aviation. |
| air one's dirty linen in public |
to make public embarrassing or shameful private facts about oneself or others. |
| air piracy |
the hijacking of an airplane, helicopter, or the like. |
| airplane |
any of various aircraft that are heavier than air and are driven by propellers or jet engines. |
| airplay |
the broadcasting of a recording by a radio or television station. |
| air pocket |
a downward air current that can cause an abrupt change, usu. a drop, in an aircraft's altitude. |
| airport |
a large area of level land where airplanes can land and take off, usu. including a passenger terminal and cargo and repair facilities. |
| air power |
a country's military capacity for waging war by air. |
| air pressure |
the pressure of compressed air, as in a tire or pump, or the pressure of the earth's atmosphere. |
| airproof |
not allowing air to pass or penetrate. [2 definitions] |
| 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. |
| airship |
a lighter-than-air aircraft, with its own propulsion system and steering control. |