Definitions for "Polychlorinated biphenyls"
Keywords:  pcb, biphenyl, ban, aroclor, carbonless
(PCBs) a chemical used by industry that is harmful to the species that eat it. PCBs are especially dangerous because they stay in the body's tissues for a long time.
A class of chlorinated organic chemicals, related to dioxins.
(PCB):    Cause dermatitis. Carcinogenic. Neurotoxic. Teratogenic. Used in some artist's oil paints