Bedeutung von “diet” im Essential American English Dictionary

diet

noun us /ˈdɑɪ·ɪt/

B1 the type of food that someone usually eats:

His diet isn’t very healthy.

B1 the practice of someone eating a particular type or amount of food for a special reason, such as being ill or wanting to become thinner:

No cake for me, thanks – I’m on a diet.

(Definition von “diet” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)