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 joule /ˈʤu(ə)l ||&dɪvɪdɛ;ˈʤaʊ(ə)l/
 焦耳

 joule /ˈʤu(ə)l/ 名詞

 joule n.  Physics. 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.  --HCP61
 Joule's equivalent. See under Equivalent, n.
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 joule
      n 1: 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 [syn: J, watt second]
      2: English physicist who established the mechanical theory of
         heat and discovered the first law of thermodynamics
         (1818-1889) [syn: James Prescott Joule]