/duy nuy'treuh fee"nawl, -nol/ , n. Chem., Pharm.
any of the six isomers consisting of phenol where two hydrogen atoms are substituted by nitro groups, C 6 H 4 N 2 O 5 , used in dyes and wood preservatives, and in biochemistry to uncouple oxidative phosphorylation.
[ 1895-1900; DI- 1 + NITROPHENOL ]