[ as-puh-rey-ter ]
/ ˈæs pəˌreɪ tər /


an apparatus or device employing suction.
Hydraulics. a suction pump that operates by the pressure differential created by the high-speed flow of a fluid past an intake orifice.
Medicine/Medical. an instrument for removing body fluids by suction.

Origin of aspirator

First recorded in 1860–65; aspirate + -or2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for aspirator

British Dictionary definitions for aspirator

/ (ˈæspɪˌreɪtə) /


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

Medical definitions for aspirator

[ ăspə-rā′tər ]


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.