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pentachlorophenol

[ pen-tuh-klawr-uh-fee-nawl, -nol, -klohr- ]
/ ˌpɛn təˌklɔr əˈfi nɔl, -nɒl, -ˌkloʊr- /

noun Chemistry.

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

Nearby words

pent, pent-up, pent., penta-, pentachloronitrobenzene, pentachlorophenol, pentacle, pentad, pentadactyl, pentadecagon, pentaerythritol

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

/ (ˌpɛntəˌklɔːrəˈfiːnɒl) /

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