bort

or boart, bortz

[ bawrt ]
/ bɔrt /

noun

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 bort

borty, 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

bort

boart bortz (bɔːts)

/ (bɔːt) /

noun

an inferior grade of diamond used for cutting and drilling or, in powdered form, as an industrial abrasive

Derived forms of bort

borty, 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