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air lines
air hammer
(engineering, construction) a hammer powered by compressed air
Air Scouts
Air Scout
(Scouting) A member of the international Scouting movement with a particular emphasis on aviation.
Air Scouting
(Scouting) The collective activities of Air Scouts, members of the Scouting movement with a particular emphasis on aviation.
air bearing
A bearing in which a thin film of pressurized air is used to provide an exceedingly low-friction load-bearing interface between surfaces.
air sac
An alveolus / An extension of a lung of some birds
air-drumming
big air
(skiing, snowboarding) A discipline in freestyle skiing and snowboarding, involving sliding down a large launch ramp and then launching off a big kicker, to obtain height and time in the air to perform acrobatic maneuvers, and land on a landing slope.