vacuum gauge
noun
a device for measuring pressures below atmospheric pressure in the receiver of an air pump, in steam condensers, and the like.
Origin of vacuum gauge
First recorded in 1860–65
Words nearby vacuum gauge
vacuum energy,
vacuum flask,
vacuum fluctuation,
vacuum forming,
vacuum frame,
vacuum gauge,
vacuum pan,
vacuum pump,
vacuum servo,
vacuum tube,
vacuum-pack
British Dictionary definitions for vacuum gauge
vacuum gauge
noun
any of a number of instruments for measuring pressures below atmospheric pressure