calorie

Noun
  1. 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 (synset 113748672)
  2. 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 (synset 113748406)

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