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joule
(redirected from Exajoules)

    Also found in: Encyclopedia, Wikipedia, Hutchinson 0.07 sec.
joule (J) (jldbomacl) the SI unit of energy, being the work done by a force of 1 newton acting over a distance of 1 meter.
joule (jl)
n. Abbr. J
1. The International System unit of electrical, mechanical, and thermal energy.
2. 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.
3. A unit of energy equal to the work done when a force of 1 newton acts through a distance of 1 meter.
joule (J)
[jo̅o̅l]
Etymology: James P. Joule, English physicist, 1818-1889
a unit of energy or work in the meter-kilogram-second system and the SI system. It is equivalent to 107 ergs or 1 watt second and 100 rad.
joule
the SI unit of energy, being the work done by a force of 1 newton acting over a distance of 1 meter. Symbol J.


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Wright estimates that human activities tie up between 20 and 30 percent of the potentially available photosynthetically fixed energy in terrestrial ecosystems -- some 650 to 800 exajoules (1 exajoule = [10.
Energetic appetites take ecologic toll by Science News
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