polychlorinated biphenyl love

polychlorinated biphenyl


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun PCB.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry Any of a class of aromatic organic compounds formed by the chlorination of the hydrocarbon biphenyl; they have many industrial applications but are damaging to the environment.


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