boart

[ bawrt ]
/ bɔrt /

noun Mineralogy.

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Definition for boart (2 of 2)

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.
Compare ballas, carbonado2.

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

bort·y, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for boart

British Dictionary definitions for boart (1 of 2)

boart
/ (bɔːt) /

noun

a variant spelling of bort

British Dictionary definitions for boart (2 of 2)

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