This page is about the noun "room", which can be both countable and uncountable

room → uncountable

Meaning: the space needed for something

Example sentence: Is there enough room in the yard for a swimming pool?

room → countable

Meaning: a space inside a building with walls, a floor and a ceiling

Example sentence: She opened the door and entered a room full of beautiful old furniture.

Quick Quiz:

In which sentence is the word "room" countable?

a. Is there a piano in his room?

b. Is there room for his piano?

Contributor: Matt Errey