polybrominated biphenyl

noun

poly·​bro·​mi·​nat·​ed biphenyl ˌpä-lē-ˈbrō-mə-ˌnā-təd- How to pronounce polybrominated biphenyl (audio)
: any of several compounds that are similar to polychlorinated biphenyls in environmental toxicity and in structure but that have various hydrogen atoms replaced by bromine rather than chlorine

called also PBB

Examples of polybrominated biphenyl in a Sentence

Recent Examples on the Web The claim traces back to a decades-old agricultural crisis, when PBB, or polybrominated biphenyl, contaminated the state's farming system in 1973. Jenna Prestininzi, Detroit Free Press, 4 Jan. 2024 Milliken faced a disaster in 1973 when a chemical company accidentally shipped fire retardant containing highly toxic polybrominated biphenyl, or PBB, instead of cattle feed to thousands of farmers. San Diego Union-Tribune, 18 Oct. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polybrominated biphenyl.' 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

poly- + brominated, from past participle of brominate

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of polybrominated biphenyl was in 1975

Dictionary Entries Near polybrominated biphenyl

Cite this Entry

“Polybrominated biphenyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polybrominated%20biphenyl. Accessed 18 Jul. 2024.

Medical Definition

polybrominated biphenyl

noun
poly·​bro·​mi·​nat·​ed biphenyl ˌpäl-i-ˈbrō-mə-ˌnāt-əd- How to pronounce polybrominated biphenyl (audio)
: any of several compounds that are similar to polychlorinated biphenyls in environmental toxicity and in structure except that various hydrogen atoms are replaced by bromine rather than chlorine

called also PBB

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!