PCB Definition

pēsē-bē
noun
Any of a group of chlorinated isomers of biphenyl, formerly used in the form of a toxic, colorless, odorless, viscous liquid, esp. as an insulator in electrical equipment.
Webster's New World

Origin of PCB

  • p(oly)c(hlorinated) b(iphenyl)

    From American Heritage Dictionary of the English Language, 5th Edition

Words Near PCB in the Dictionary