Definition of pentachlorophenol in English:


Line breaks: penta|chloro|phe¦nol
Pronunciation: /ˌpɛntəˌklɔːrəʊˈfiːnɒl


[mass noun] Chemistry
  • A colourless crystalline synthetic compound used in insecticides, fungicides, weedkillers, and wood preservatives.
    • Chemical formula: C6Cl5OH
    More 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.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody