from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A pump used to evacuate an enclosure.
  • n. See pulsometer.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A piece of equipment used for extraction of gas or vapour from an enclosed space, leaving the container with a partial vacuum.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as Pulsometer, 1.

from The Century Dictionary and Cyclopedia

  • n. A pump consisting of a chamber or barrel, a suctionpipe with a valve to prevent return flow, a discharge-pipe which has a valve that is closed when the chamber is emptied, and a steam induction-pipe provided with a valvethat is opened when the chamber is filled with water, and closed when the chamber is filled with steam.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a pump that moves air in or out of something


vacuum + pump (Wiktionary)


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.