calorie (calories plural )Calories are units used to measure the energy value of food. People who are on diets try to eat food that does not contain many calories. n-count A glass of wine does have quite a lot of calories., ...calorie controlled diets. →
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-calorie is used after adjectives such as low or high to indicate that food contains a small or a large number of calories. comb in adj usu ADJ n
...low-calorie margarine., ...reduced-calorie mayonnaise.