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Joule

[jool, joul] /dʒul, dʒaʊl/
noun
1.
James Prescott, 1818–89, English physicist.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for j joule

joule

/dʒuːl/
noun
1.
the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force. 1 joule is equivalent to 1 watt-second, 107 ergs, 0.2390 calories, or 0.738 foot-pound J
Word Origin
C19: named after James Prescott Joule

Joule

/dʒuːl/
noun
1.
James Prescott. 1818–89, English physicist, who evaluated the mechanical equivalent of heat and contributed to the study of heat and electricity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for j joule

joule

n.

unit of electrical energy, 1882, coined in recognition of British physicist James P. Joule (1818-1889).

Online Etymology Dictionary, © 2010 Douglas Harper
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j joule in Medicine

joule (jōōl, joul)
n.
Abbr. J

  1. The International System unit of electrical, mechanical, and thermal energy.

  2. A unit of electrical energy equal to the work done when a current of 1 ampere is passed through a resistance of 1 ohm for 1 second.

  3. A unit of energy equal to the work done when a force of 1 newton acts through a distance of 1 meter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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j joule in Science
joule
  (jl, joul)   
The SI derived unit used to measure energy or work. One joule is equal to the energy used to accelerate a body with a mass of one kilogram using one newton of force over a distance of one meter. One joule is also equivalent to one watt-second.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for j joule

joule

unit of work or energy in the International System of Units (SI); it is equal to the work done by a force of one newton acting through one metre. Named in honour of the English physicist James Prescott Joule, it equals 107 ergs, or approximately 0.7377 foot-pounds. In electrical terms, the joule equals one watt-second-i.e., the energy released in one second by a current of one ampere through a resistance of one ohm.

Learn more about joule with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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