polybrominated biphenyl

noun
poly·​bro·​mi·​nat·​ed biphenyl | \ ˌpä-lē-ˈbrō-mə-ˌnā-təd- How to pronounce polybrominated biphenyl (audio) \

Definition of polybrominated biphenyl

: 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 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, "Former Michigan Gov. William Milliken dies at age 97," 18 Oct. 2019

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

First Known Use of polybrominated biphenyl

1975, in the meaning defined above

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The first known use of polybrominated biphenyl was in 1975

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Cite this Entry

“Polybrominated biphenyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polybrominated%20biphenyl. Accessed 31 Oct. 2020.

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More Definitions for polybrominated biphenyl

polybrominated biphenyl

noun
poly·​bro·​mi·​nat·​ed biphenyl | \ ˌpäl-i-ˈbrō-mə-ˌnāt-əd- How to pronounce polybrominated biphenyl (audio) \

Medical Definition of polybrominated biphenyl

: 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

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