2. (Steam Engines)
Defn: A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
AIR SAC
Air" sac`. (Anat.)
Defn: One of the spaces in different parts. of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.
AIR SHAFT
Air" shaft`.
Defn: A passage, usually vertical, for admitting fresh air into a mine or a tunnel.
AIRSICK
Air`sick`, a.
Defn: Affected with aërial sickness. — Air"sick`ness, n.
AIR-SLACKED
Air"-slacked`, a.
Defn: Slacked, or pulverized, by exposure to the air; as, air-slacked lime.