WordReference Random House Unabridged Dictionary of American English © 2026
di•ni•tro•phe•nol
(dī nī′trə fē′nôl, -nol),USA pronunciation n. [Chem., Pharm.]
- Chemistry, Drugsany of the six isomers consisting of phenol where two hydrogen atoms are substituted by nitro groups, C6H4N2O5, used in dyes and wood preservatives, and in biochemistry to uncouple oxidative phosphorylation.
- di-1 + nitrophenol 1895–1900