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vacuum gauge

American

noun

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

vacuum gauge British

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

Etymology

Origin of vacuum gauge

First recorded in 1860–65

Example Sentences

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vacuum gauge

A simple vacuum gauge will measure the vacuum inside the filter.

From Time Magazine Archive

A simple solution is to retrofit a vacuum gauge to the fuel/water separator so you'll know when it's time to swap filter elements.

From Time Magazine Archive

Obviously, therefore, the zero of the dial vacuum gauge is atmospheric pressure.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Examples.—The barometer stands at 29.5 and the vacuum gauge at 26, what is the absolute pressure in the condenser?

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

A.--Yes; and it is called the vacuum gauge, because it shows the degree of perfection the vacuum has attained.

From A Catechism of the Steam Engine by Bourne, John, C.E.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023