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 Along with boron, nettle root extract is one of the key ingredients in Prime Male that focuses on raising free testosterone levels, which is a key strategy for increasing testosterone production in older men. Amber Smith, Discover Magazine, 6 Oct. 2023 But, boron is not considered an essential nutrient for humans, and researchers have not identified a clear biological function for the element. Beth Mole, Ars Technica, 24 July 2023 Molly Trudgill of The University of St. Andrews measured boron isotopes in oysters that lived in England during the aftermath of the second pulse to gauge ocean pH at the time. Howard Lee, Ars Technica, 8 Feb. 2023 Research has highlighted the benefits of using a boron nitride crystal substrate to increase the heat transfer capacity. Ewan Spence, Forbes, 11 Feb. 2024 The remaining 10 essential plant nutrients — boron, calcium, chlorine, copper, iron, magnesium, manganese, molybdenum, sulfur and zinc — are needed in much lower quantities. Rita Perwich, San Diego Union-Tribune, 3 Feb. 2024 And, importantly, borax is not the same as elemental boron. Beth Mole, Ars Technica, 24 July 2023 Indeed, such a magnet already exists—platinum cobalt (which often incorporates boron as well). IEEE Spectrum, 15 Nov. 2023 The recovered lithium chloride contains other materials; Standard Lithium says their process resulted in less than 1% of contaminants like sodium, calcium, magnesium and potassium making it into the lithium solution, and more than 95% of boron was rejected. Aaron Gettinger, arkansasonline.com, 21 Nov. 2023

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

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 28 Mar. 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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