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Joule equivalent

Pronunciation: jul

Definition: the dynamic equivalent of heat; the amount of work converted to heat that will raise the temperature of 1 pound of water 1°F is 778 foot-pounds; in metric units, 1 calorie, which raises 1 g of water 1°C, equals 4.184 × 107 dyne-centimeters, or 4.184 J.

[James P. Joule]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.