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pentachlorophenol Syllabification: pen·ta·chlo·ro·phe·nol
Pronunciation: /ˌpen(t)əˌklôrəˈfēnäl/

Definition of pentachlorophenol in English:


A colorless, crystalline, synthetic compound used in insecticides, fungicides, weed killers, and wood preservatives.
Example sentences
  • To prevent the anti-sap stain, we used to put wood through the boric bath, to which pentachlorophenol and organochlorine were added for cosmetic reasons.
  • The dioxins in pentachlorophenol are toxic, causing health problems from severe skin rashes to liver damage and possible cancer.
  • Deregistering pentachlorophenol, a chemical used for treating timber in New Zealand, in 1991.

Definition of pentachlorophenol in:

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Pronunciation: fôrˈtisəˌmō
(especially as a direction) very loud or loudly