cullet
/ˈkʌlɪt/Definitions
1. noun
Small pieces of waste glass, especially from bottle-making, collected and melted to make new glass.
“The factory collected cullet to reduce waste and lower production costs.”
2. noun
A mixture of small fragments of glass or other material, often used in foundry work or as an abrasive.
“The foundry used cullet to create a strong and durable product.”
3. verb
To melt down small pieces of glass, especially from bottle-making, to make new glass.
“The glassmaker culled the broken bottles to create new glass products.”