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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
   - J, watt second

1. English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889)
   - James Prescott Joule

Sounds like: jewel

Derived forms: joules

Type of: energy unit, heat unit, physicist, work unit

Encyclopedia: Joule