air pump

noun

1. an apparatus for drawing in, compressing, or exhausting air.

2. Astronomy.,  Air Pump, the constellation Antlia.

air pump

noun

1. a device for pumping air in or out of something

Word History and Origins

Origin of air pump¹

First recorded in 1650–60

Example Sentences

What looked like clothing, an air pump and several makeshift, inflatable lifebuoys were among the items that covered the boat's floor.

Read more on Reuters

He carries a backpack with an air pump, tire patch and extra air tube for his bicycle and the weight of what could go wrong.

Read more on Los Angeles Times

Experimenting with an air pump, two glass cylinders and four thermometers, she found the cylinder with carbon dioxide trapped more heat and stayed hot longer when placed in the sun.

Read more on Seattle Times

Most are split heat air pump systems, which can heat spaces in the winter, which Assoclima said can reduce gas consumption as prices spike during the war in Ukraine.

Read more on Seattle Times

There are multiple kinds of mold tests, but only certain ones – including air pumps and petri dish tests – are designed to detect mold in the air.

Read more on Seattle Times