pentachlorophenol
noun
pen·ta·chlo·ro·phe·nol
ˌpen-tə-ˌklȯr-ə-ˈfē-ˌnōl 
-fi-ˈnōl
-fi-ˈnōl
: a crystalline compound C6Cl5OH used especially as a wood preservative and fungicide and a disinfectant
Examples of pentachlorophenol in a Sentence
Recent Examples on the Web
Hydrochars derived from flax shives (FS-Fe-HC), and eucalyptus (ES-Fe-HC) were tested for their efficiency in adsorbing pentachlorophenol (PCP) from wastewater.
—
Prabhat Ranjan Mishra,
Interesting Engineering,
30 Oct. 2025
But pentachlorophenol and the copper formulas were lasting 60 years or longer.
—
Jeanne Huber,
Washington Post,
17 Aug. 2020
Near Alexandra, in central Louisiana, two plants that use coal-tar creosote and pentachlorophenol to pressure-treat and preserve wooden objects like rail ties and telephone poles operate directly adjacent to communities.
—
Justin Nobel,
Longreads,
13 July 2017
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Prabhat Ranjan Mishra,
Interesting Engineering,
30 Oct. 2025
But pentachlorophenol and the copper formulas were lasting 60 years or longer.
—
Jeanne Huber,
Washington Post,
17 Aug. 2020
Near Alexandra, in central Louisiana, two plants that use coal-tar creosote and pentachlorophenol to pressure-treat and preserve wooden objects like rail ties and telephone poles operate directly adjacent to communities.
—
Justin Nobel,
Longreads,
13 July 2017
Cite this Entry
“Pentachlorophenol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentachlorophenol. Accessed 5 Jul. 2026.
Copy CitationMedical Definition
pentachlorophenol
noun
pen·ta·chlo·ro·phe·nol
ˌpent-ə-ˌklōr-ə-ˈfē-ˌnōl
-ˌnȯl-
-ˌnȯl-
-ˌklȯr-,
-fi-ˈ
: a crystalline compound C6Cl5OH used especially as a wood preservative, insecticide, and fungicide
called also PCP
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