: 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
Examples of boron in a Sentence
Recent Examples on the Web
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 
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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
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.
Copy CitationKids Definition
boron
noun
bo·ron
ˈbō(ə)r-ˌän 
ˈbȯ(ə)r-
: a metalloid element found in nature only in combination (as in borax) see element
Medical Definition
boron
noun
bo·ron
ˈbō(ə)r-ˌän, ˈbȯ(ə)r-
: 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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