• synonyms

air pump

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

Origin of air pump

First recorded in 1650–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for air pump

Historical Examples

  • Also, rarefaction by the air-pump does not injure air in the least degree.

    Experiments and Observations on Different Kinds of Air

    Joseph Priestley

  • It, too, was unattached at the other end; it had no connection with the air-pump.

  • A new kind of existence has been given to bodies in the air-pump.

  • The impulse came to him as he placed his hands on her air-pump.

    Madge Morton's Victory

    Amy D.V. Chalmers

  • Something must have happened to her air-pump above the water.

    Madge Morton's Victory

    Amy D.V. Chalmers

British Dictionary definitions for air pump

air pump

  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