calorie Meaning, Definition & Usage
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noun a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food
large calorie; nutritionist's calorie; kilogram calorie; kilocalorie.
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noun unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
small calorie; gram calorie.
WordNet
Cal"o*rie noun
Etymology
F., fr. L.Definitions
(Physics) The unit of heat according to the Frensc standard; the amount of heat requires to raise the temperature of one kilogram (sometimes, one gram) of water one degree centigrade, or from 0 to 1. Compfre the English standart unit. Foot pound.