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Pronunciation of Polychlorinated: Learn how to pronounce Polychlorinated in English correctly

Learn how to say Polychlorinated correctly in English with this tutorial pronunciation video.

Oxford dictionary definition of the word polychlorinated biphenyl:

noun
Chemistry
any of a class of toxic aromatic compounds, often formed as waste in industrial processes, whose molecules contain two benzene rings in which hydrogen atoms have been replaced by chlorine atoms.