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Synonyms

bort

American  
[bawrt] / bɔrt /
Or boart,

noun

  1. low-quality diamond, in granular aggregate or small fragments, valuable only in crushed or powdered form, especially for industrial use as an abrasive.


bort British  
/ bɔːt /

noun

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

"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

Other Word Forms


Etymology

Origin of bort

1615–25; apparently metathetic variant of *brot ( Old English gebrot fragment); akin to Middle English brotel brittle, Old Norse brot fragment


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“When my father said daay bort, pronouncing the word ‘deport’ by breaking it into syllables that creaked like a door opening and shutting,” she writes, “I felt its decree.”

From New York Times ● May 14, 2023

It is tempting to wonder whether some curious misprints – "luther" for either; "bort" for both – constitute a sly joke about our own language-processing abilities.

From The Guardian ● Aug. 20, 2010

Other important abrasives are emery and corundum, garnet, pumice, diamond dust and bort, and feldspar.

From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith

O barn af Finland, byt ej bort Din ädla fosterjord.

From Through Finland in Carts by Mrs. (Ethel) Alec-Tweedie

The employment of powdered bort and the lapidary’s wheel for faceting diamonds was introduced by L. von Berquen of Bruges in 1476.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

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