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English definition of “diet”

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diet

noun
 
 
/daɪət/
USUAL FOOD [C, U] B1 the type of food that someone usually eats: His diet isn't very healthy.Diets and dieting
SPECIAL FOOD [C] B1 a period when someone eats less food, or only particular types of food, because they want to become thinner, or because they are sick: No cake for me, thanks - I'm on a diet.Diets and dieting
(Definition of diet noun from the Cambridge Learners Dictionary © Cambridge University Press)
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