See Also: polychlorinated(dictionary)
Polychlorinated biphenyl(medicine)
Polychlorinated biphenyls(medicine)

polychlorinated (iou)



polychlorinated adjective. M20.
[from POLY- + CHLORINATE + -ED1.]
Chemistry. Having two or more chlorine atoms added to or introduced as substituents in each molecule.
polychlorinated biphenyl any of a class of such compounds derived from biphenyl, which have various industrial applications and are persistent environmental pollutants.