A small amount of air in a pipe that stops liquid flowing through it.

A bearing in which a thin film of pressurized air is used to provide an exceedingly low-friction load-bearing interface between surfaces.

plural of air lock

An alveolus / An extension of a lung of some birds

(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.

plural of school of the air

Synonym of air freshener

plural of air refresher

plural of air pressure

A neighbourhood of Los Angeles, California, United States. Also spelt Bel-Air. / A census-designated place in Allegany County, Maryland, United States.