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English definition of “calorie”

calorie

noun [C] (FOOD)    /ˈkæl.ər.i/ US  /-ɚ-/
a unit of energy, often used as a measurement of the amount of energy that food provides: There are about 50 calories in an apple. An athlete in training needs a lot of calories. This drink can only help you to lose weight as a part of a calorie-controlled diet. He found calorie-counting the best way of losing weight.Diets and dietingMiscellaneous units of measurement
(Definition of calorie noun (FOOD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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