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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

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

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

The Third was standing by the reversing gear and I saw by the vacuum gauge that the temperature of the sea was down to forty-eight degrees.

From Aliens by McFee, William

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