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A unit of work equal to the work done by a force of one poundal acting through a distance of one foot in the direction of the force.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Units) a unit of work or energy equal to the work done when a force of one poundal moves through a distance of one foot: it is equal to 0.042 14 joule
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a unit of energy equal to the energy expended by a one-pound weight accelerating at one foot per second as it moves a distance of one foot. Abbr.: ft-pdl
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.