: a brittle metallic-looking mineral that consists of a sulfide of copper and iron and is a valuable copper ore

Word History

Etymology

German Bornit, from Ignaz von Born †1791 Austrian mineralogist

First Known Use

1811, in the meaning defined above

Time Traveler
The first known use of bornite was in 1811

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Cite this Entry

“Bornite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bornite. Accessed 3 Aug. 2026.

Kids Definition

: a brittle metallic-looking mineral consisting of a sulfide of copper and iron and making up a valuable ore of copper

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