pound-force

[ pound-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. Abbreviation: lbf

Origin of pound-force

First recorded in 1895–1900