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 Things To Consider The amount of boron (0.7mg) in this supplement may be slightly low. Sarah Anzlovar, Ms, Rd, Verywell Health, 18 June 2024 The panels typically consist of an array of silicon wafers doped with boron and phosphorus, and topped with an antireflective coating of silicon nitride. IEEE Spectrum, 17 June 2024 The mound of waste began leaching arsenic and other harmful materials — including chromium, boron, molybdenum and more — into the water supply. Sarah Bowman, The Indianapolis Star, 30 May 2024 In contrast, deficiency of nutrients that are immobile (calcium, sulfur, boron, copper, iron, zinc, manganese, nickel), the symptoms first appear on younger or upper leaves. Dr. Haiying Tao, Hartford Courant, 3 Feb. 2024 See all Example Sentences for boron 

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 2 Jul. 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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