trichloronitrophenol

noun

tri·​chlo·​ro·​nitrophenol

"+

: a pale yellow crystalline compound O₂NC₆HCl₃OH derived from ortho-nitrophenol and used in streams for killing the sea lamprey

called also 3,4,6-trichloro-2-nitrophenol

Word History

Etymology

trichlor- + nitrophenol

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