ALL meanings of polychlorinated biphenyl
pol·y·chlo·rin·at·ed biphen·yl
P p - noun polychlorinated biphenyl PCB. 1
- noun polychlorinated biphenyl 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 0
- noun polychlorinated biphenyl PCB 0