"calories" in the noun sense
1. 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. 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
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