student asking question

Why does she say "kid food" not "kid's food"?

teacher

Native speaker’s answer

Rebecca

"Kid's" is possessive, so "kid's food" would refer to the food of usually just one specific kid. "Kid food", however, refers to the general type of food that kids might eat, such as frozen foods that are simple and easy to heat up. This is similar to the food for dogs and cats which is called "dog food" or "cat food" instead of "dog's food" or "cat's food", since it refers to the overall food that is eaten by all dogs and cats.

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