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English definition of “calorie”

calorie

noun [C] (FOOD)   /ˈkæl·ə·ri/
a unit used in measuring the amount of energy food provides when eaten and digested : The typical US daily menu contains 3000 calories and should contain 2300. science a unit equal to the amount of heat needed to increase the temperature of one gram of water by one degree Celsius
(Definition of calorie noun (FOOD) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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