boron

noun
bo·​ron | \ ˈbȯr-ˌän How to pronounce boron (audio) \

Definition of boron

: a trivalent metalloid element found in nature only in combination and used especially in glass and detergents — see Chemical Elements Table

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Other Words from boron

boronic \ bȯr-​ˈä-​nik How to pronounce boronic (audio) \ adjective

Examples of boron in a Sentence

Recent Examples on the Web

When combined with boron and iron, neodymium can be used to create magnets that convert energy into movement. Charles Riley, CNN, "BMW and Jaguar Land Rover won't need China's rare earths for their new electric engines," 5 June 2019 The weird thing about them is that the boron that turns them blue is exceedingly rare down in the Earth’s mantle and much more common in the Earth’s crust. Scott K. Johnson, Ars Technica, "Blue diamonds come from ocean floor that is pushed nearly to Earth’s core," 1 Aug. 2018 Chernobyl's boron rods were tipped with graphite which triggered the dangerous reaction that caused the explosion. Bryan Alexander, USA TODAY, "'Chernobyl' recap: Final, horrifying episode features the radioactive political fallout," 26 Apr. 2018 Hematite—a mineral form of iron-oxide—clay minerals, and boron are the various components of this clue. David Grossman, Popular Mechanics, "Findings in Crater Good Sign for Habitability on Mars," 14 Dec. 2016 Curiosity is the first rover on Mars to even detect boron, which shows how much remains unknown about the planet. David Grossman, Popular Mechanics, "Findings in Crater Good Sign for Habitability on Mars," 14 Dec. 2016 The right pH and the organic matter help ensure that nutrients, particularly essential micronutrients like boron, are readily available. Kris Wetherbee, Good Housekeeping, "6 Things You Need to Know Before Growing Broccoli," 23 July 2018 The right pH and the organic matter help ensure that nutrients, particularly essential micronutrients like boron, are readily available. Kris Wetherbee, Good Housekeeping, "6 Things You Need to Know Before Growing Broccoli," 23 July 2018 The right pH and the organic matter help ensure that nutrients, particularly essential micronutrients like boron, are readily available. Kris Wetherbee, Good Housekeeping, "6 Things You Need to Know Before Growing Broccoli," 23 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of boron

1812, in the meaning defined above

History and Etymology for boron

borax + -on (as in carbon)

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Statistics for boron

Last Updated

16 Jun 2019

Look-up Popularity

Time Traveler for boron

The first known use of boron was in 1812

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More Definitions for boron

boron

noun
bo·​ron | \ ˈbȯr-ˌän How to pronounce boron (audio) \

Kids Definition of boron

: a powdery or hard solid chemical element that is used especially in making glass and detergents

boron

noun
bo·​ron | \ ˈbō(ə)r-ˌän, ˈbȯ(ə)r- How to pronounce boron (audio) \

Medical Definition of boron

: 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

Other Words from boron

boronic \ bȯr-​ˈän-​ik, bōr-​ How to pronounce boronic (audio) \ adjective

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More from Merriam-Webster on boron

Rhyming Dictionary: Words that rhyme with boron

Spanish Central: Translation of boron

Nglish: Translation of boron for Spanish Speakers

Britannica.com: Encyclopedia article about boron

Comments on boron

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