Dictionary

polybrominated biphenyl

noun poly·bro·mi·nat·ed biphenyl \ˌpä-lē-ˈbrō-mə-ˌnā-təd-\

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

First Known Use of POLYBROMINATED BIPHENYL

1975

polybrominated biphenyl

noun poly·bro·mi·nat·ed biphenyl \ˌpäl-i-ˈbrō-mə-ˌnāt-əd-\   (Medical Dictionary)

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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