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 image shows the nanowire arrays in the cotton fabric, and a cross-section diagram of the carbon microfiber coated with boron carbide nanowires. Smriti Rao, Discover Magazine, 6 Apr. 2010 The counter is to make armor harder, by adding ultra-hard ceramic plates made out of materials like boron carbide. David Hambling, Popular Mechanics, 19 Sep. 2022 The addition of silicon to boron carbide armor reduces the phase transformation by some 30 percent. Kyle Mizokami, Popular Mechanics, 29 Jan. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'boron carbide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of boron carbide was in 1891

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Cite this Entry

“Boron carbide.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

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