air pressure


Definition of air pressure

: pressure exerted by air:
a : atmospheric pressure
b : the pressure within a container due to the compression of atmospheric gases Air pressure in the car tire was measured in pounds per square inch.

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First Known Use of air pressure

1837, in the meaning defined above

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The first known use of air pressure was in 1837

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Cite this Entry

“Air pressure.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2021.

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