vacuum pump
noun
a pump or device by which a partial vacuum can be produced.
Origin of vacuum pump
First recorded in 1855–60
Words nearby vacuum pump
vacuum fluctuation,
vacuum forming,
vacuum frame,
vacuum gauge,
vacuum pan,
vacuum pump,
vacuum servo,
vacuum tube,
vacuum-pack,
vacuum-packed,
vacuumize
British Dictionary definitions for vacuum pump
vacuum pump
noun
a pump for producing a low gas pressure