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silicon carbide

American  

noun

Chemistry.
  1. a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures.


silicon carbide British  

noun

  1. an extremely hard bluish-black insoluble crystalline substance produced by heating carbon with sand at a high temperature and used as an abrasive and refractory material. Silicon carbide whiskers have a high tensile strength and are used in composites; very pure crystals are used as semiconductors. Formula: SiC

"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

Etymology

Origin of silicon carbide

First recorded in 1900–05

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:

“In addition, the company believes that it maintains ample liquidity to continue supplying customers with leading silicon carbide solutions,” Wolfspeed said.

From Barron's Sep. 30, 2025

Meta told the Verge that they costs about $10,000 per pair to make because the lenses for the current prototypes are made with pricy silicon carbide.

From Slate Sep. 26, 2024

The first steps for making this particular semiconductor, known as a silicon carbide chip, happen in a factory in New Hampshire.

From Seattle Times Apr. 8, 2024

"We then vapor-deposited indium atoms, which are immersed between the protective graphene layer and the silicon carbide substrate. This is how the protective layer for our two-dimensional quantum material indenene was formed."

From Science Daily Mar. 1, 2024

Carborundum is a crystalline silicon carbide formed in the electric furnace.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

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