- glass is part of the Basic English 850.
- (uncountable) Glass is a transparent solid and is usually clear. Windows and eyeglasses are made from it, as well as drinking glasses.
- Through the window glass I could see the trees bend in the wind, but I was warm indoors.
- (countable) A glass is a drinking cup with no handle.
- As soon as I finished drinking, he filled up my glass again.