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Air pump

 - 2 dictionary results

air pump

–noun
1. an apparatus for drawing in, compressing, or exhausting air.
2. (initial capital letters) Astronomy. the constellation Antlia.

Origin:
1650–60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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air pump  
n.  A pump for compressing, removing, or forcing a flow of air.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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