English Explanatory Dictionary

polychlorinated biphenyl

English dictionary entry

Meanings

noun
  1. Any of a class of aromatic organic compounds formed by the chlorination of the hydrocarbon biphenyl; they have many industrial applications but are now considered persistent organic pollutants.

Pronunciation

/ˌpoʊliˌklɔrəˌneɪtəd ˈbaɪfənɪl/ /ˌpɒlɪˌklɔːrɪneɪtɪd ˈbaɪfənɪl/

Word forms

polychlorinated biphenyl polychlorinated biphenyls

Synonyms

PCB
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