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Medical Dictionary

calorie

noun cal·o·rie

Medical Definition of calorie

plural calories

  1. 1a:  the amount of heat required at a pressure of one atmosphere to raise the temperature of one gram of water one degree Celsius that is equal to about 4.19 joules—abbreviation cal; called also , b:  the amount of heat required to raise the temperature of one kilogram of water one degree Celsius that is equal to 1000 gram calories or 3.968 Btu—abbreviation Cal; called also , ,

  2. 2a:  a unit equivalent to the large calorie expressing heat-producing or energy-producing value in food when oxidized in the bodyb:  an amount of food having an energy-producing value of one large calorie



Variants of calorie

also calory \ˈkal-(ə-)rē\play


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