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English definition of “calorie”

calorie

noun [C] uk   /ˈkæl.ər.i/ us    /-ɚ-/

calorie noun [C] (FOOD)

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.

calorie noun [C] (HEAT)

specialized physics a unit of heat energy
(Definition of calorie from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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