calorie - definition and synonyms

noun [countable] 

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  1. 1
    a unit for measuring how much energy you get from food. People who are worried about getting fat pay a lot of attention to the number of calories in their food

    How many calories are there in a slice of chocolate cake?

    a calorie-controlled diet

    count calories:

    Counting calories is a way of life for most of Hollywood’s stars.