Meaning of “calorie” in the English Dictionary

"calorie" in American English

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calorienoun [ C ]

us /ˈkæl·ə·ri/

calorie noun [ C ] (FOOD)

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” from the Cambridge Academic Content Dictionary © Cambridge University Press)