[pol-ee-klawr-uh-ney-tid, -klohr-] /ˌpɒl iˈklɔr əˌneɪ tɪd, -ˈkloʊr-/

noun, Chemistry.
any of a group of compounds in which chlorine atoms replace the hydrogen atoms in biphenyl: used in industry in electrical insulators and in the manufacture of plastics; a toxic pollutant that can become concentrated in animal tissue PCB

polychlorinated biphenyl pol·y·chlo·rin·at·ed biphenyl (pŏl’ē-klôr’ə-nā’tĭd)
polychlorinated biphenyl
See PCB.


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