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vacuum gauge

noun

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


vacuum gauge

noun

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


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Word History and Origins

Origin of vacuum gauge1

First recorded in 1860–65

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Example Sentences

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

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