Definition of displacement pump in English:

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displacement pump

noun

A pump in which liquid is moved out of the pump chamber by a moving surface or by the introduction of compressed air or gas.
Example sentences
  • Joule, son of a brewer, invented electric welding and the displacement pump and worked with Lord Kelvin to create more accurate thermometers.
  • ‘A variable displacement pump gives you a very good feel for the machine,’ says Lao.
  • Both models offer energy efficiency, low noise levels, high accuracy, and repeatability thanks to an electronically regulated variable displacement pump.

For editors and proofreaders

Syllabification: dis·place·ment pump

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