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Meaning of calorie

cal•o•rie

Pronunciation: (kal'u-rē), [key]
— n.
    1. Also calledgram calorie, small calorie.an amount of heat exactly equal to 4.1840 joules. Abbr.: cal
    2. (usually cap.) kilocalorie. Abbr.: Cal
    1. a unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.
    2. a quantity of food capable of producing such an amount of energy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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