noun tri·chlo·ro·nitrophenol \"+\

Definition of trichloronitrophenol

  1. :  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

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of trichloronitrophenol

trichlor- + nitrophenol

Seen and Heard

What made you want to look up trichloronitrophenol? Please tell us where you read or heard it (including the quote, if possible).


feeling or affected by lethargy

Get Word of the Day daily email!