air pump
Americannoun
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an apparatus for drawing in, compressing, or exhausting air.
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Astronomy. Air Pump, the constellation Antlia.
noun
Etymology
Origin of air pump
First recorded in 1650–60
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The philosopher catches our eye and gestures toward us with the right hand that rests on the air pump.
From The Wall Street Journal • Mar. 14, 2026
What looked like clothing, an air pump and several makeshift, inflatable lifebuoys were among the items that covered the boat's floor.
From Reuters • Oct. 1, 2023
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.
From Los Angeles Times • Sep. 22, 2023
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.
From Seattle Times • Aug. 11, 2023
It was Schott’s book that inspired Robert Boyle to construct his own air pump in England, and it is perhaps not a coincidence that vacuum experiments were recommenced in Florence in 1657.
From "The Invention of Science" by David Wootton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
