of or relating to the system of units in which the foot, pound, and second are the principal units of length, mass, and time. Abbreviation: fps, f.p.s.
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British Dictionary definitions for foot-pound-second
See fps units
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012