JOULE

Joule, James Prescott Joule

(noun) English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889)

joule, watt second

(noun) a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second

Source: WordNet® 3.1


Etymology

Noun

joule (plural joules)

In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Also equal to the energy of one watt of power for a duration of one second. Symbol: J

Source: Wiktionary


Joule, n. Etym: [From the distinguished English physicist, James P. Joule.] (Physics.)

Definition: A unit of work which is equal to 107 units of work in the C. G. S. system of units (ergs), and is practically equivalent to the energy expended in one second by an electric current of one ampere in a resistance of one ohm. One joule is approximately equal to 0.738 foot pounds. Joule's equivalent. See under Equivalent, n.

Source: Webster’s Unabridged Dictionary 1913 Edition



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