Word Study
Index
: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
[2x]
: J J. Ja Jc Jd Je Jf Jh Ji Jn Jo Jp Jr Ju Jv Jy
jotunn | jougs | jouissance | jouk | joul | joule | joule's cycle | joule's law | joulemeter | jounce | journal

joule

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Noun

CIDE DICTIONARY

joulen. [From the distinguished English physicist, James Prescott Joule (1818-1889).].
     A unit of work which is equal to 107 ergs (the unit of work in the C. G. S. system of units), and is equivalent to one watt-second, the energy expended in one second by an electric current of one ampere in a resistance of one ohm; also called the absolute joule. It is abbreviated J or j. The international joule is slightly larger, being 1.000167 times the absolute joule. The absolute joule is approximately equal to 0.737562 foot pounds, 0.239006 gram-calories (small calories), and 3.72506 x 10-7 horsepower-hours, and 0.000948451 B.t.u.  [1913 Webster]
Joule's equivalent. See under Equivalent, n.

OXFORD DICTIONARY

joule, n. the SI unit of work or energy equal to the work done by a force of one newton when its point of application moves one metre in the direction of action of the force, equivalent to a watt-second.

Usage
Symb.: J.
Etymology
J. P. Joule, Engl. physicist d. 1889

For further exploring for "joule" in Webster Dictionary Online


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