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Air Sac , air sac Air-cushion Vehicle , air-cushion vehicle
air-cushion vehicle (ACV), craft designed to travel close to but above ground or water. It is also called a ground-effect machine… Air Bag , Background
An air bag is an inflatable cushion designed to protect automobile occupants from serious injury in the case of a collision. The air bag i… United States Air Operations , World War II, U.S. Air Operations in: The Air War in Europe. U.S. air operations in the Mediterranean and Europe evolved into two distinct fields of… TRACHEA , tra·che·a / ˈtrākēə/ • n. (pl. -che·ae / -kēˌē/ or -che·as ) Anat. a large membranous tube reinforced by rings of cartilage, extending from the laryn… Arctic front , Arctic front The frontal boundary between cold, Arctic air and warmer air masses, usually lying to the south of it. Many depressions originate on it.…
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NEARBY TERMS
air cushion