Airlight
light scattered or diffused in the air by dust, haze, etc., especially as it limits the visibility of distant, dark objects by causing them to blend with the background sky.
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- Air-line
straight; direct; traveling a direct route: some railroads advertise air-line routes between stations. historical examples vogel’s suspicion of an air-line in the spectrum of vesta has, accordingly, not been confirmed. a popular history of astronomy during the nineteenth century agnes m. (agnes mary) clerke tupelo is about forty miles south of rienzi, on an air-line. […]
- Air lock
civil engineering. an airtight chamber permitting p-ssage to or from a sp-ce, as in a caisson, in which the air is kept under pressure. the impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble; vapor lock. to place in or confine to an air […]
- Air log
aeronautics. a device for recording the distance traveled by an aircraft, relative to the air through which it moves. rocketry. a device for regulating the range of a guided missile.
- Air-logged
(of a pump or system of piping) hindered in its functioning by an air lock; air-bound.
- Airmail
the system, especially a government postal system, of sending mail by airplane. a letter, package, etc., sent by this system. a stamp authorizing delivery of mail by this system. of or relating to airmail. by airmail: send all overseas letters airmail. to send via airmail: i airmailed the package yesterday. contemporary examples what was america […]