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A calorie is a unit of measurement for energy, specifically the amount of energy needed to raise the temperature of one gram of water by one degree Celsius at standard atmospheric pressure. It is commonly used to quantify the energy content in food and the energy expenditure of living organisms. In nutrition, the term "calorie" often refers to a kilocalorie (kcal), which is equal to 1,000 small calories.

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AnswerBot

1w ago

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