Share this entry

cullet Line breaks: cul¦let
Pronunciation: /ˈkʌlɪt/

Definition of cullet in English:


[mass noun]
Recycled broken or waste glass used in glass-making.
Example sentences
  • It goes without saying that the broken glass or cullet used had to be of the required colour or clear, so that no expensive new minerals were added to colour it.
  • One of our earliest industrial containers, glass is made by melting sand, soda ash, limestone, and cullet (recycled crushed glass) in furnaces heated to 2,700 degrees Fahrenheit.
  • Approximately 80 per cent of the glass now being made in Irish Glass is from cullet or recycled glass.


Early 19th century: variant of collet, in the obsolete sense 'glass left on the blowing-iron when the finished article is removed'.

Definition of cullet in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day exemplum
Pronunciation: ɪɡˈzɛmpləm
an example or model...