noun. Scraps of broken or waste glass gathered for remelting, especially with new material.

noun. In glass manufacturing, refuse and broken glass, especially crown-glass, collected for remelting.

noun. Same as culet, 2.

noun. Broken glass for remelting.

noun. A small central plane in the back of a cut gem. See collet, 3 (b).

noun. Scrap glass which is melted down for reuse.

noun. A small central plane in the back of a cut gem.

"The example illustrating the environmental folly of recycling glass into cullet is well put, however a wealth of life cycle analyses of different material streams have been published, the majority of which suggest that recycling tends to be the preferred waste management option from an environmental perspective."

gullet  mullet  

collet