Definition of pentachlorophenol in English:

Share this entry


Pronunciation: /ˌpen(t)əˌklôrəˈfēnäl/


A colorless, crystalline, synthetic compound used in insecticides, fungicides, weed killers, and wood preservatives.
  • Chemical formula: C6Cl5OH.
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.

For editors and proofreaders

Syllabification: pen·ta·chlo·ro·phe·nol

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.