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cal•o•rie



Pronunciation: (kal'u-rē), [key]
—n.
1. Thermodynam.
a. Also called gram calorie, small calorie. an amount of heat exactly equal to 4.1840 joules. Abbr.: cal
b. (usually cap.) kilocalorie. Abbr.: Cal
2. Physiol.
a. a unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.
b. a quantity of food capable of producing such an amount of energy. Also,calory.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

caloriccalorifacient
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