or boart, bortz
- low-quality diamond, in granular aggregate or small fragments, valuable only in crushed or powdered form, especially for industrial use as an abrasive.
Origin of bort
Examples from the Web for boart
Historical Examples of boart
Why don't you co and glup the bresidents that insoalt your lawss, and gick your Boart of Arpidration out-of-toors?The March Family Trilogy, Complete
William Dean Howells
- a variant spelling of bort
boart bortz (bɔːts)
- an inferior grade of diamond used for cutting and drilling or, in powdered form, as an industrial abrasive
Word Origin for bort
"waste diamonds, small chips from diamond-cutting," of unknown origin, perhaps related to Old French bort "bastard."