: 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
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Even elements like tungsten and boron are making their presence felt and playing crucial roles in advancing fusion energy.
—
Sahit Muja, Forbes.com, 16 Apr. 2025
Plant nutrients that are needed in much lower quantities are boron, calcium, chlorine, copper, iron, magnesium, manganese, molybdenum, sulfur and zinc.
—Rita Perwich, San Diego Union-Tribune, 1 Mar. 2025
According to The Telegraph, an internal report had already revealed that Corby residents were exposed to high levels of zinc, arsenic, boron and nickel as a result of the reclamation project.
—Lynsey Eidell, People.com, 28 Feb. 2025
Hind and his co-writer Stephen Bevan gained access to a report by local auditors that revealed one of the sites, a quarry land, contained levels of arsenic, zinc, boron, and nickel that far exceeded environmental safety guidelines, even after it had been supposedly cleaned up.
—Olivia B. Waxman, TIME, 27 Feb. 2025
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Sahit Muja, Forbes.com, 16 Apr. 2025
Plant nutrients that are needed in much lower quantities are boron, calcium, chlorine, copper, iron, magnesium, manganese, molybdenum, sulfur and zinc.
—Rita Perwich, San Diego Union-Tribune, 1 Mar. 2025
According to The Telegraph, an internal report had already revealed that Corby residents were exposed to high levels of zinc, arsenic, boron and nickel as a result of the reclamation project.
—Lynsey Eidell, People.com, 28 Feb. 2025
Hind and his co-writer Stephen Bevan gained access to a report by local auditors that revealed one of the sites, a quarry land, contained levels of arsenic, zinc, boron, and nickel that far exceeded environmental safety guidelines, even after it had been supposedly cleaned up.
—Olivia B. Waxman, TIME, 27 Feb. 2025
See All Example Sentences for boron
Cite this Entry
“Boron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boron. Accessed 4 May. 2025.
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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