Defn: In gasoline-engine motor vehicles, the cooling of the cylinder by increasing its radiating surface by means of ribs or radiators, and placing it so that it is exposed to a current of air. Cf. Water cooling. — Air"-cooled`, a.
AIRCRAFT
Air"craft`, n. sing. & pl.
Defn: Any device, as a balloon, aëroplane, etc., for floating in, or flying through, the air.
AIR-DRAWN
Air"-drawn", a.
Defn: Drawn in air; imaginary.
This is the air-drawn dagger. Shak.
AIR DRILL
Air" drill`.
Defn: A drill driven by the elastic pressure of condensed air; a pneumatic drill. Knight.
AIR ENGINE
Air" engine`.
Defn: An engine driven by heated or by compressed air. Knight.
AIRER
Air"er, n.