(obsolete, chemistry) oxygen

(obsolete, chemistry) oxygen

(chemistry, now historical) Ammonia.

Air which has been reduced in volume and increased in pressure for use in industrial processes.

(physics) The action of friction that slows something moving through air; drag.

Alternative spelling of airbrake

Alternative spelling of airspace

(idiomatic) Aggressive, disruptive behaviour on an aircraft.

(games) A game, played upon a table which lightly spurts air out of various holes on its surface in order to reduce friction, where each player must hit a light flat plastic puck into their opponent's goal using their own plastic mallet.

plural of air filter