Countable vs Noncountable - What's the difference?
countable | noncountable |
Capable of being counted; having a quantity.
(mathematics, of a set) Countably infinite; having a bijection with the natural numbers.
(mathematics, of a set) Countably infinite or finite; having a bijection with a subset of the natural numbers.
(grammar, of a noun) Freely usable with the indefinite article and with numbers, and therefore having a plural form.