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.

From Science Daily

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

From Science Daily

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

From Seattle Times

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.

From Science Daily

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

From Seattle Times