PCB

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌpiːsiːˈbiː/


WordReference Random House Learner's Dictionary of American English © 2026
PCB, n. [countable], pl. PCB's, PCBs. 
  1. Chemistrya highly poisonous compound, formerly used in industry.

WordReference Random House Unabridged Dictionary of American English © 2026
PCB, 
  1. Chemistrya family of highly toxic chemical compounds consisting of two benzene rings in which chlorine takes the place of two or more hydrogen atoms: known to cause skin diseases and suspected of causing birth defects and cancer. Also called polychlorinated biphenyl. 
  • p(oly)c(hlorinated) b(iphenyl)

Collins Concise English Dictionary © HarperCollins Publishers::
PCB
  1. polychlorinated biphenyl
'PCB' also found in these entries (note: many are not synonyms or translations):
polychlorinated biphenyl

Forum discussions with the word(s) "PCB" in the title:


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