Milk is countable or uncountable?

In English, nouns related to liquids are uncountable nouns. They cannot be counted in numbers.

Definition of milk

Milk is the white liquid produced by cows, goats and some other animals, which people use as a drink.

Milk is a liquid and can't be counted. It is not possible to say one milk or two milks.
To quantify liquids we use expressions such as 'a bottle of', 'a carton of', 'a litre of'.
  • a bottle of milk
  • a pint of milk
  • a litre of milk

Milk is countable or uncountable?