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aspirator

[as-puh-rey-ter]
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noun
  1. an apparatus or device employing suction.
  2. Hydraulics. a suction pump that operates by the pressure differential created by the high-speed flow of a fluid past an intake orifice.
  3. Medicine/Medical. an instrument for removing body fluids by suction.

Origin of aspirator

First recorded in 1860–65; aspirate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for aspirator

aspirator

noun
  1. a device employing suction, such as a jet pump or one for removing fluids from a body cavity
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

aspirator in Medicine

aspirator

(ăspə-rā′tər)
n.
  1. An apparatus for removing fluid from a body cavity, consisting usually of a hollow needle and a cannula, connected by tubing to a container in which a vacuum is created by a syringe or a suction pump.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.