vacuum pump

noun

1. a pump or device by which a partial vacuum can be produced.

vacuum pump

noun

1. a pump for producing a low gas pressure

Word History and Origins

Origin of vacuum pump¹

First recorded in 1855–60

Example Sentences

They then used a vacuum pump to concentrate the DNA on a filter, which they tested to confirm that they could extract DNA from the samples and obtain accurate results.

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They are also working to perfect 3D-printed vacuum pumps, which remain a major hurdle to printing an entire compact mass spectrometer.

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A vacuum pump in a steel container next to the tube sucks out the air to reduce the internal pressure.

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As they circle around, the outer reactors would absorb oxygen from the inner reactors, effectively de-rusting the original metal, without having to use energy-intensive vacuum pumps.

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After setting up vacuum pumps in local zoos, the teams were able to sequence DNA from dozens of species.

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