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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 air pump
 排氣唧筒,抽氣機

From: Webster's Revised Unabridged Dictionary (1913)

 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.
 2. Steam Engines A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
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From: WordNet (r) 2.0

 air pump
      n : a pump that moves air in or out of something [syn: vacuum
           pump]