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noun Physics.
the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves through a distance of one meter in the direction of the force: equivalent to 107 ergs and one watt-second. Abbreviation: J, j
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Joules
is always a great word to know.
So is gobo. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Etymonline
Word Origin & History
joule
"unit of electrical energy," 1882, coined in recognition of British physicist James P. Joule (1818-89).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
joule (j&oomacr;l, joul)
n.
Abbr. J
The International System unit of electrical, mechanical, and thermal energy.
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.
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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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
joule  (j l, joul) Pronunciation Key
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. |
| Joule, James Prescott 1818-1889.
British physicist who demonstrated that heat is a form of energy. His work established the law of conservation of energy, stating that energy is never destroyed but may be converted from one form into another. The joule unit of energy is named for him. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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