or boart, bortz
[ bawrt ]
/ bɔrt /
low-quality diamond, in granular aggregate or small fragments, valuable only in crushed or powdered form, especially for industrial use as an abrasive.
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Origin of bort
1615–25; apparently metathetic variant of *brot (Old English gebrot fragment); akin to Middle English brotel brittle, Old Norse brot fragment
OTHER WORDS FROM bortborty, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for bort
Such drills, set with bortz diamonds, have accomplished remarkable feats.Inventors at Work|George Iles
British Dictionary definitions for bort
boart bortz (bɔːts)
/ (bɔːt) /
an inferior grade of diamond used for cutting and drilling or, in powdered form, as an industrial abrasive
Derived forms of bortborty, adjective
Word Origin for bort
Old English gebrot fragment; related to Old Norse brot piece, Old High German broz bud
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012