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A unit of force in the foot-pound-second system of measurement, equal to the force required to accelerate a standard one-pound mass one foot per second per second (approximately 0.138 newton).
(Units) the fps unit of force; the force that imparts an acceleration of 1 foot per second per second to a mass of 1 pound. 1 poundal is equivalent to 0.1382 newton or 1.382 × 104 dynes. Abbreviation: pdl
[C19: from pound2 + quintal]
the foot-pound-second unit of force, equal to the force that produces an acceleration of one foot per second per second on a mass of one pound. Abbr.: pdl
A unit of force equal to that needed to give an acceleration of one foot per second to a mass of one pound.