pound-force

American

[paund-fawrs, -fohrs] / ˈpaʊndˈfɔrs, -ˈfoʊrs /

noun

Physics.

a foot-pound-second unit of force, equal to the force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one pound. lbf

Etymology

Origin of pound-force

First recorded in 1895–1900

Example Sentences

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pound-force

Even the 1999 Mars Climate Orbiter disaster—NASA’s unmanned spacecraft disintegrated due to an error introduced because its software used metric measures, while its ground crew used pound-force units—didn’t shake us from our doldrums.

From Slate ● Aug. 8, 2014

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023