Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of a family of industrial compounds produced by chlorination of biphenyl, noted primarily as an environmental pollutant that accumulates in animal tissue with resultant pathogenic and teratogenic effects.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • printed circuit board.
  • polychlorinated biphenyl.
  • program control block.
  • physically changeable bit.
  • please call back.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

p(oly)c(hlorinated) b(iphenyl).

Examples

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