polychlorinated biphenyl
[ pol-ee-klawr-uh-ney-tid bahy-fen-l, ‐feen-l ]
Origin of polychlorinated biphenyl
1First recorded in 1960–65; poly- + chlorinated
Words Nearby polychlorinated biphenyl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for polychlorinated biphenyl
polychlorinated biphenyl
/ (ˌpɒlɪˈklɔːrɪˌneɪtɪd) /
noun
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: Abbreviation: PCB
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for polychlorinated biphenyl
polychlorinated biphenyl
[ pŏl′ē-klôr′ə-nā′tĭd ]
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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