Meaning of pentachlorophenol

pen•ta•chlo•ro•phe•nol

Pronunciation: (pen"tu-klôr"u-fē'nôl, -nol, -klōr"-), [key]
— n. Chem.
  1. a white, crystalline, water-insoluble powder, CClOH, used chiefly in fungicides, disinfectants, and wood preservatives.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.