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Pb
PBA
PBGC
PBJ
PBS
PBX
PC (1)
PC (2)
PCB
PCI
PCMCIA
PCO
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PCV
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PCB
PCB


noun 
Definition:
 
environmental pollutant: a compound derived from biphenyl and containing chlorine that is a hazardous pollutant. Use: in electrical insulators, flame retardants, plasticizers.
Full form  polychlorinated biphenyl
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