[1] : The Collaborative International Dictionary of English v.0.48

air pump \air" pump`\
   1. physics 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.
      1913 webster

   2. steam engines a pump used to exhaust from a condenser
      the condensed steam, the water used for condensing, and
      any commingled air.
      1913 webster

[2] : WordNet (r) 2.0

air pump
     n : a pump that moves air in or out of something syn: vacuum
         pump
see also:
vacuum pump 

Air Pump >> A Words
Air Pump, definition of term: Air Pump
air+pump_pag1.html

Air >> A Words
Air, definition of term: Air
air_pag1.html

Air Plant >> A Words
Air Plant, definition of term: Air Plant
air+plant_pag1.html

Air Out >> A Words
Air Out, definition of term: Air Out
air+out_pag1.html

Air Pocket >> A Words
Air Pocket, definition of term: Air Pocket
air+pocket_pag1.html

Air Pressure >> A Words
Air Pressure, definition of term: Air Pressure
air+pressure_pag1.html

Air Travel >> A Words
Air Travel, definition of term: Air Travel
air+travel_pag1.html

Air Raid >> A Words
Air Raid, definition of term: Air Raid
air+raid_pag1.html

Air Mile >> A Words
Air Mile, definition of term: Air Mile
air+mile_pag1.html

Air Pollution >> A Words
Air Pollution, definition of term: Air Pollution
air+pollution_pag1.html

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