| 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] |
| air hole |
an opening for the intake or discharge of air or gas. [3 definitions] |
| airily |
in a lighthearted manner; breezily. [2 definitions] |
| airiness |
the quality or condition of being airy or fresh. [2 definitions] |
| airing |
an exposure to air or wind, so as to refresh or dry. [3 definitions] |
| air lane |
a route regularly used by aircraft; airway. |
| airless |
lacking air or fresh air; stuffy. [2 definitions] |
| air letter |
an airmail letter. [2 definitions] |
| airlift |
the systematic transportation of people or supplies by air when ground routes are impossible or dangerous to use, esp. in a battle zone or during an emergency. [2 definitions] |
| airline |
a system of transportation by air offering scheduled flights between various points, or a business that owns and operates the equipment required by such a system. [2 definitions] |
| airliner |
a commercial passenger airplane. |
| air lock |
an airtight compartment in which the air pressure can be regulated, usu. situated between two areas that have different air pressures, as in underwater operations. [2 definitions] |
| 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. |