silicon carbide

noun

Definition of silicon carbide

: 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

Recent Examples on the Web Eventually, the silicon carbide turned into diamonds and silica. Chris Ciaccia, Fox News, "Alien planets in deep space could be made of diamonds, researchers suggest," 20 Sep. 2020 The heat and pressure caused the silicon carbide to react with the water, resulting in the creation of diamonds and silica. Ashley Strickland, CNN, "Carbon-rich planets made of diamonds may exist beyond our solar system, study says," 14 Sep. 2020 The scientists placed silicon carbide, which includes silicon and carbon, in water. Ashley Strickland, CNN, "Carbon-rich planets made of diamonds may exist beyond our solar system, study says," 14 Sep. 2020 Working with qubits in solid silicon carbide, the scientists extended the time in quantum state of their qubit to 22 milliseconds, which sounds small to our slow human brains, but is almost an eternity for a qubit. Caroline Delbert, Popular Mechanics, "Scientists Extend Quantum States by 22 Milliseconds. That's an Eternity.," 21 Aug. 2020 Some 7 billion or 8 billion years ago, specks of stardust were ejected from supernovae and the outer atmospheres of aging stars, some made of hardy materials such as graphite, diamond, and silicon carbide. Joshua Sokol, Science | AAAS, "An unusual meteorite, more valuable than gold, may hold the building blocks of life," 13 Aug. 2020 The team measured the remnants from cosmic ray protons hitting silicon carbide molecules and breaking the silicon atoms into different components. Jay Bennett, Smithsonian Magazine, "Meteorite Grains Are the Oldest Known Solid Material on Earth," 13 Jan. 2020 These beads, each only a millimeter in diameter and the consistency of a jelly bean, are then put in a furnace that is injected with gases that break down in the oven, depositing thin layers of graphite and silicon carbide around the uranium kernel. Daniel Oberhaus, Wired, "Nuclear ‘Power Balls’ May Make Meltdowns a Thing of the Past," 30 June 2020 Rawlinson said that the Air has also moved to a new in-house silicon carbide inverter, as well as a switch from induction to permanent magnet motors front and rear. Jonathan M. Gitlin, Ars Technica, "“Please don’t describe us as a Tesla killer”—Ars talks to Lucid Motors," 9 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'silicon carbide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of silicon carbide

1893, in the meaning defined above

Keep scrolling for more

Learn More about silicon carbide

Time Traveler for silicon carbide

Time Traveler

The first known use of silicon carbide was in 1893

See more words from the same year

Statistics for silicon carbide

Last Updated

30 Sep 2020

Cite this Entry

“Silicon carbide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicon%20carbide. Accessed 23 Oct. 2020.

Keep scrolling for more

More Definitions for silicon carbide

silicon carbide

noun

Medical Definition of silicon carbide

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

More from Merriam-Webster on silicon carbide

Britannica.com: Encyclopedia article about silicon carbide

Comments on silicon carbide

What made you want to look up silicon carbide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!