boron carbide

noun

Definition of boron carbide

: a refractory shiny black crystalline compound B4C that is one of the hardest known materials and is used especially in abrasives and as a structural reinforcing material

Examples of boron carbide in a Sentence

Recent Examples on the Web The addition of silicon to boron carbide armor reduces the phase transformation by some 30 percent. Kyle Mizokami, Popular Mechanics, "Scientists Improve Body Armor By Adding a Pinch of Silicon," 29 Jan. 2020

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

First Known Use of boron carbide

1891, in the meaning defined above

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The first known use of boron carbide was in 1891

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Cite this Entry

“Boron carbide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boron%20carbide. Accessed 8 Aug. 2020.

More from Merriam-Webster on boron carbide

Britannica.com: Encyclopedia article about boron carbide

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