polybrominated biphenyl
noun Date: 1975 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

New Collegiate Dictionary. 2001.

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  • Polybrominated biphenyl — Structure of polybrominated biphenyls Polybrominated biphenyls (PBBs), also called brominated biphenyls or polybromobiphenyls, are a group of manufactured chemicals, of the polyhalogenated compounds. Their chlorine analogs are the PCBs. While… …   Wikipedia

  • polybrominated biphenyl — poly·bro·mi·nat·ed biphenyl .päl i brō mə .nāt əd n 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… …   Medical dictionary

  • polybrominated biphenyl — noun Any of a class of stable organic compounds obtained by the bromination of biphenyl; they have many industrial applications, but are hazardous pollutants …   Wiktionary

  • polybrominated biphenyl — /pol ee broh meuh nay tid/, Chem. See PBB. [1970 75; POLY + BROMINATED] * * * …   Universalium

  • polybrominated biphenyl — ¦pälē, lə̇ˌ noun Etymology: poly + brominated, past participle of brominate : any of several compounds that are similar to polychlorinated biphenyls in environmental toxicity and in structure except that various hydrogen atoms are replaced by… …   Useful english dictionary

  • Biphenyl — IUPAC name …   Wikipedia

  • Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs …   Wikipedia

  • PBB — • polybrominated biphenyl …   Dictionary of medical acronyms & abbreviations

  • PBB — polybrominated biphenyl * * * PBB .pē .bē bē n POLYBROMINATED BIPHENYL * * * polybrominated biphenyl …   Medical dictionary

  • PBB — ¦pē(ˌ)bēˈbē noun ( s) : polybrominated biphenyl herein * * * Chem. any of the highly toxic and possibly carcinogenic aromatic compounds consisting of two benzene rings in which bromine takes the place of two or more hydrogen atoms: used as a fire …   Useful english dictionary

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