A1noun1K

Glass

UK /["/ɡlɑːs/"]/US /["/ɡlæs/"]/

Definition

a hard, usually clear, substance used, for example, for making windows and bottles

In simple words: A hard, transparent material used for making windows and containers.

Examples

  • The window is made of glass.
  • Please pour the juice into a glass.
  • I dropped the glass and it shattered.
  • He wears glasses to help him see better.
  • The glass bottle is empty.

Usage notes

Use 'glass' to refer to the material or objects made from it, like cups or windows. Avoid using it in very technical contexts without specifying what type (e.g. 'safety glass').

Grammar pattern

standalone noun

Memory hint

Think of how light passes through glass like a clear avenue.

Collocations

  • clear
  • coloured/​colored
  • opaque
  • piece
  • pane
  • sheet
  • blow
  • make
  • break
  • break
  • crack
  • shatter
  • beads
  • bottle
  • bowl
  • behind glass
  • on glass
  • under glass
  • brimming
  • full
  • half-empty
  • have
  • drink
  • sip
  • clink
  • in a/​the/​somebody’s glass
  • glass of
  • (a) glass in (your) hand

Synonyms

  • pane
  • crystal
  • window
  • container
  • vessel

Antonyms

  • opaque
  • solid

Common mistakes

  • Confusing 'glass' with 'glasses' for the plural of drinking containers.
  • Using 'glass' instead of 'glaze' when referring to pottery.
  • Mispronouncing 'glass' as 'glance'.