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vacuum gauge

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noun

a device for measuring pressures below atmospheric pressure in the receiver of an air pump, in steam condensers, and the like.

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Origin of vacuum gauge

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for vacuum gauge

vacuum gauge

noun

any of a number of instruments for measuring pressures below atmospheric pressure
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
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