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air pump

noun
1.
an apparatus for drawing in, compressing, or exhausting air.
2.
(initial capital letters) Astronomy. the constellation Antlia.
Origin
1650-1660
1650-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for air-pump

air pump

noun
1.
a device for pumping air in or out of something
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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3
3
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