1 boron | Definition of boron

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

Colored diamonds, formed by impurities such as boron or nitrogen, are the most expensive and rarest, with pink and red stones fetching the highest prices. BostonGlobe.com, "GE, unions, reach agreement on new contract," 15 Aug. 2019 In some places, the atoms in the boron nitride layers line up precisely with the carbon atoms in the graphene layers, but a few nanometers away they are offset. Robert F. Service, Science | AAAS, "Trilayer graphene shows signs of superconductivity," 17 July 2019 Whereas N-type silicon has one extra electron, P-type uses impurities from elements like gallium or boron, that have one less electron. David Grossman, Popular Mechanics, "How Solar Panels Work (And Why They're Taking Over the World)," 6 July 2019 The groups raised concerns in August 2018 about pollutants including arsenic, boron and lithium leaking into groundwater and the Susquehanna from unlined ponds storing coal ash waste. Scott Dance, baltimoresun.com, "Owner of Susquehanna River coal plant fined $1 million, forced to address pollution flowing to Chesapeake Bay," 31 July 2019 Scientists were never quite sure how the boron got there, but the new study from the Gemological Institute of America tells a very specific story of creation using mineral inclusions. David Grossman, Popular Mechanics, "The Hope Diamond Formed At The Bottom of The Ocean," 2 Aug. 2018 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

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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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