boron

bo·ron | \ ˈbȯr-ˌän

Definition of boron

: a trivalent metalloid element found in nature only in combination and used especially in glass and detergents — see Chemical Elements Table

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Examples of boron in a Sentence

Recent Examples on the Web Inside the antenna is a small square of graphene atop a layer of boron nitride. — Courtney Linder, Popular Mechanics, "What If WiFi Could Charge Your Phone in the Future?," 2 Apr. 2020 The experts analyzed the chemical element boron to show in detail just how devastating the asteroid impact was, hoping to put to rest the debate that other natural disasters – such as a massive volcano eruption – led to the demise of the dinosaurs. — Fox News, "Asteroid that wiped out dinosaurs turned oceans into acid, shocking study says," 15 Oct. 2019 ConnPIRG found levels of boron, lead and cadmium far beyond the legal limits in a number of toys. — Amanda Blanco, courant.com, "Fishing games, spying Furbies, and toxic slime: ConnPIRG announces the most dangerous toys of 2019," 25 Nov. 2019 For the second year in a row, testers found high levels of boron in children’s slime kits. — Amanda Blanco, courant.com, "Fishing games, spying Furbies, and toxic slime: ConnPIRG announces the most dangerous toys of 2019," 25 Nov. 2019 The electronic behavior of the material may depend on the material the graphene is placed on, typically boron nitride. — Kenneth Chang, New York Times, "A Physics Magic Trick: Take 2 Sheets of Carbon and Twist," 30 Oct. 2019 Colored diamonds, formed by impurities such as boron or nitrogen, are the most expensive and rarest, with pink and red stones fetching the highest prices. — BostonGlobe.com, "GE, unions, reach agreement on new contract," 15 Aug. 2019 In some places, the atoms in the boron nitride layers line up precisely with the carbon atoms in the graphene layers, but a few nanometers away they are offset. — Robert F. Service, Science | AAAS, "Trilayer graphene shows signs of superconductivity," 17 July 2019 Whereas N-type silicon has one extra electron, P-type uses impurities from elements like gallium or boron, that have one less electron. — David Grossman, Popular Mechanics, "How Solar Panels Work (And Why They're Taking Over the World)," 6 July 2019

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

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Last Updated

20 Apr 2020

Cite this Entry

“Boron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boron. Accessed 25 May. 2020.

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More Definitions for boron

boron

noun

bo·ron | \ ˈbȯr-ˌän

Kids Definition of boron

: a powdery or hard solid chemical element that is used especially in making glass and detergents

boron

noun

bo·ron | \ ˈbō(ə)r-ˌän, ˈbȯ(ə)r-

Medical Definition of boron

: a trivalent metalloid element found in nature only in combination and used in metallurgy and in composite structural materials —symbol B — see Chemical Elements Table

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