air-pump
n. காற்றுவாங்கி, காற்றுட்டி.
Air" pump`. 1. (Physics) Defn: A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air of force in into a closed space. 2. (Steam Engines) Defn: A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.