Definitions for "Air pump"
A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space.
A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
A pump for condensing and forcing air through an aperture or pipe.
a useful precaution against deoxygenation, but make sure it does not stir up the water too much
device for delivering air under low pressure to tank equipment via tubing.
a device used to move air, possibly
a particular device used to move air, perhaps below pressure