silicon carbide

noun

: a very hard dark crystalline compound SiC of silicon and carbon that is used as an abrasive and as a refractory and in electric resistors

Examples of silicon carbide in a Sentence

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The intense heat triggers a rapid reaction in which carbon bonds with silica to form silicon carbide, a ultra-hard, heat-tolerant compound. — Mrigakshi Dixit, Interesting Engineering, 6 Nov. 2026 The motors are still electrically excited synchronous ones, but now the drive units feature silicon carbide inverters and more compact packaging. — Jonathan M. Gitlin, ArsTechnica, 5 Nov. 2026 Switches made from wide-bandgap semiconductors such as silicon carbide could handle far higher voltages than silicon, and the EV industry’s appetite for these materials began driving the cost down just as a hungrier customer arrived. — Alex Pasternack, Scientific American, 20 Oct. 2026 For instance, this option from Oak and Luna features a naturally occurring silicon carbide now grown almost entirely in labs, brings a more responsible origin story alongside genuine brilliance, ranking second only to diamond in hardness. — Pooja Mistry, Forbes.com, 19 Aug. 2026 See All Example Sentences for silicon carbide

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of silicon carbide was in 1893

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Cite this Entry

“Silicon carbide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicon%20carbide. Accessed 12 Nov. 2026.

Medical Definition

silicon carbide

noun
: a very hard dark crystalline compound SiC of silicon and carbon that is used as an abrasive in dentistry

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