unit of electrical energy, 1882, coined in recognition of British physicist James P. Joule (1818-1889).
joule (jōōl, joul)
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.