1. a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons;

[syn:

The Collaborative International Dictionary of English v.0.48:

Poundal \Pound"al\, n. [From 5th Pound.] (Physics & Mech.) A unit of force based upon the pound, foot, and second, being the force which, acting on a pound avoirdupois for one second, causes it to acquire by the of that time a velocity of one foot per second. It is about equal to the weight of half an ounce, and is 13,825 dynes. [1913 Webster]WordNet (r) 3.0 (2006):

poundal n 1: a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons [syn: poundal, pdl]