Noun calorie has 2 senses
  1. calorie, gram calorie, small calorie - 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
    --1 is a kind of work unit, heat unit, energy unit
    --1 is a part of
     Calorie, kilogram calorie, kilocalorie, large calorie, nutritionist's calorie
  2. Calorie, kilogram calorie, kilocalorie, large calorie, nutritionist's calorie - 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
    --2 is a kind of work unit, heat unit, energy unit
    --2 has parts: calorie, gram calorie, small calorie
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