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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See Examples For:

vacuum gauge

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

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

From Time Magazine Archive

The pressure gauge in the top of the cooker was replaced with a vacuum gauge.

From Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948 by Northern Nut Growers Association

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

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

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 Joshua Rose

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