polychlorinated biphenyl

/P AA0 L IY0 K L AO1 R IH0 N EY0 T IH0 D B IH0 F AH0 N AH0 L/
noun
  1. 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.

    syn:PCB

Synonyms

PCB

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Source: https://en.wiktionary.org/wiki/polychlorinated%20biphenyl

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