bromine

noun

bro·​mine ˈbrō-ˌmēn 

: 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

The chip companies also require helium, sulfur, and bromine—three key inputs to silicon wafers—largely sourced from the region. — Matteo Wong, The Atlantic, 26 Mar. 2026

Many of the materials needed for producing chips are byproducts of crude oil and natural gas processing, such as helium, bromine, and sulfur. — Miranda Jeyaretnam, Time, 15 May 2026

The second step introduces a two-carbon form of amine (a common ingredient in a wide array of products) and a copper catalyst, which swaps amine groups in where the bromine atoms were. — ArsTechnica, 8 June 2026

During those few seconds, monitors also observed increased levels of bromine and chlorine, which are typically found at trace levels during structural fires, the agency said. — Clara Harter, Los Angeles Times, 18 June 2026

Word History

Etymology

French brome bromine + English -ine entry 2

First Known Use

1827, in the meaning defined above

Rhymes for bromine

• agin
• alkene
• allene
• ameen
• amin
• arene
• athene
• baleen
• beeline
• benzene
• between
• butene

Kids Definition

bromine

noun

bro·​mine ˈbrō-ˌmēn 

: an element that is a deep red liquid that has two atoms per molecule, gives off an irritating reddish brown vapor of disagreeable odor, and tends to eat into other matter see element

Medical Definition

bromine

noun

bro·​mine ˈbrō-ˌmēn 

: a nonmetallic halogen element that is isolated as a deep red corrosive toxic fuming liquid of disagreeable odor

—symbol Br see Chemical Elements Table