boron

noun

bo·​ron ˈbȯr-ˌän How to pronounce boron (audio)
: a metalloid chemical element that is found in nature only in combination and that is used especially in borosilicate glass and detergents see Chemical Elements Table
boronic adjective

Examples of boron in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Built around a large neodymium iron boron magnet, the 40mm diameter drivers have a wide dynamic range and nimble transient response. Mark Sparrow, Forbes, 4 Nov. 2024 Speaking of biodiversity, the Biden administration has approved a massive lithium and boron mine in Nevada despite concerns from some environmentalists that the project could kill off an endangered wildflower, according to the Washington Post. Alex Wigglesworth, Los Angeles Times, 29 Oct. 2024 Other teams have found success with similar reactions using supercritical water, magnetic particles, hydrogen or boron nitride. Michael Irving, New Atlas, 29 July 2024 Exploration of the lithium and boron deposits in the Jadar valley has been done by multinational Rio Tinto mining company for 20 years. Chris Morris, Fortune, 15 Jan. 2022 See all Example Sentences for boron 

Word History

Etymology

borax + -on (as in carbon)

First Known Use

1812, in the meaning defined above

Time Traveler
The first known use of boron was in 1812

Dictionary Entries Near boron

Cite this Entry

“Boron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boron. Accessed 19 Nov. 2024.

Kids Definition

boron

noun
bo·​ron ˈbō(ə)r-ˌän How to pronounce boron (audio)
ˈbȯ(ə)r-
: a metalloid element found in nature only in combination (as in borax) see element

Medical Definition

boron

noun
: 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
boronic adjective

More from Merriam-Webster on boron

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