bro·​mine | \ ˈbrō-ˌmēn How to pronounce bromine (audio) \

Definition of bromine

: a nonmetallic chemical element of the halogen group that is used especially in the production of flame retardants and formerly in gasoline additives and medicines (such as bromides) — see Chemical Elements Table

Examples of bromine in a Sentence

Recent Examples on the Web Some heavier elements like gallium and bromine need something more, such as a supernova. Daniel Clery, Science | AAAS, "Some of the universe’s heavier elements are created by neutron star collisions," 23 Oct. 2019 Specifically, they are brominated (or bromine-containing) tryptophan-kynurenine metabolic products. Brian Clark Howard, National Geographic, "These sharks glow underwater—thanks to tiny ‘lightsabers’," 8 Aug. 2019 These molecules also contained bromine, which changes how the molecules, and essentially the skin, interacts with light. Joanna Klein, New York Times, "How Sharks Glow to Each Other Deep in the Ocean," 8 Aug. 2019 Minus the bromine, similar molecules impact depression and other mental processes, and they are related to the compounds in medications that are currently under study. Brian Clark Howard, National Geographic, "These sharks glow underwater—thanks to tiny ‘lightsabers’," 8 Aug. 2019 When an atom of the element bromine tags along, this kynurenine releases a green glow when exposed to the blue light below the ocean’s surface, the team reports today in iScience. Elizabeth Pennisi, Science | AAAS, "This shark glows using a process previously unknown to science," 8 Aug. 2019 When a diarrheal incident does occur, the pool operator is supposed to clear the pool and flush it with extremely high levels of chlorine or bromine to kill the parasite. Meghan Overdeep, Southern Living, "CDC Warns of Rising Threat of Fecal Parasite in Swimming Pools," 2 July 2019 The Siberian lithosphere was loaded with chlorine, bromine, and iodine. David Grossman, Popular Mechanics, "Scientists Discover New Details on How the "Great Dying" Nearly Ended Life on Earth," 28 Aug. 2018 According to Carn, though, basaltic volcanoes don’t actually emit that much chlorine or bromine. Emily Atkin, The New Republic, "What Is Kilauea’s Impact on the Climate?," 26 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bromine.' 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 bromine

1827, in the meaning defined above

History and Etymology for bromine

French brome bromine + English -ine entry 2

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Time Traveler for bromine

Time Traveler

The first known use of bromine was in 1827

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Statistics for bromine

Cite this Entry

“Bromine.” The Dictionary, Merriam-Webster Inc., Accessed 28 January 2020.

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More Definitions for bromine


bro·​mine | \ ˈbrō-ˌmēn How to pronounce bromine (audio) \

Kids Definition of bromine

: a chemical element that is a deep red liquid giving off an irritating smelly vapor


bro·​mine | \ ˈbrō-ˌmēn How to pronounce bromine (audio) \

Medical Definition of bromine

: a nonmetallic halogen element that is isolated as a deep red corrosive toxic fuming liquid of disagreeable odor symbol Br — see Chemical Elements Table

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More from Merriam-Webster on bromine

Spanish Central: Translation of bromine

Nglish: Translation of bromine for Spanish Speakers

Britannica English: Translation of bromine for Arabic Speakers Encyclopedia article about bromine

Comments on bromine

What made you want to look up bromine? Please tell us where you read or heard it (including the quote, if possible).


showing steady, earnest care and effort

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