pentachlorophenol

[pen-tuh-klawr-uh-fee-nawl, -nol, -klohr-]

noun Chemistry.

a white, crystalline, water-insoluble powder, C6Cl5OH, used chiefly in fungicides, disinfectants, and wood preservatives.

Origin of pentachlorophenol

First recorded in 1875–80; penta- + chloro-² + phenol

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pentachlorophenol

pentachlorophenol

noun

a white crystalline water-insoluble compound used as a fungicide, herbicide, and preservative for wood. Formula: C 6 Cl 5 OH

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