bort
noun
- low quality diamond
Wiktionary
name
Etymology: Borrowed from Yiddish באָרד (bord, “beard”), nickname of a man with a remarkable beard.
- A surname from Yiddish.
noun
- The shards or fragments removed from diamonds during cutting, used for industrial purposes such as abrasives in cutting, drilling or grinding tools; a poorly crystallized diamond.
“1931, Business Week, Issues 82-94, page 25, Bits that would require 4 to 16 carbonadoes are now set with 40 to 80 borts.”