poundal

Definitions

  • WordNet 3.6
    • n poundal 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
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Webster's Revised Unabridged Dictionary
    • n Poundal (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.
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Century Dictionary and Cyclopedia
    • n poundal A name proposed by Prof. James Thomson for the British kinetic unit of force—the force which, acting for one second upon a mass of one pound, gives it a velocity of one foot per second: g poundals (g being the acceleration of gravity at a given place) are equal to the action of gravity upon (that is, to the weight of) one pound; one poundal = 13,825 dynes.
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Chambers's Twentieth Century Dictionary
    • Poundal a name sometimes used for the absolute foot pound second unit of force, which will produce in one pound a velocity of one foot per second, after acting for one second
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Etymology

Webster's Revised Unabridged Dictionary
From 5th Pound
Chambers's Twentieth Century Dictionary
A.S. pund—L. pondo, by weight, pondus, a weight—pendĕre, to weigh.

Usage

In literature:

The poundal unit of physical force is such a force as will move 1 pound (mass unit) at a velocity of 1 foot per second in one second of time.
"Fundamental Peace Ideas including The Westphalian Peace Treaty (1648) and The League Of Nations (1919)" by Arthur Mac Donald
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