(chemistry) the normal nitrogen molecule having two atoms / (chemistry, used in combination) two atoms of nitrogen as part of some other compound

(organic chemistry) Any of three isomeric derivatives of aniline having two nitro groups replacing hydrogen atoms in the ring, but especially 2,4-dinitroaniline

(organic chemistry) Any of six isomeric aromatic compounds C₆H₃OH(NO₂)₂ formed by the nitration of phenol; they are metabolic poisons

(organic chemistry) Any of three isomeric aromatic nitro compounds C₆H₄(NO₂)₂ formed by the nitration of benzene; they are used in the manufacture of dyes etc

(organic chemistry) Any of six isomeric aromatic azines, but especially 2,4-dinitrophenylhydrazine that is used as a reagent in the analysis of aldehydes and ketones

(organic chemistry) Any of six isomeric compounds formed by the nitration of toluene, but especially 1-methyl-2,6-dinitro benzene, which is used as an explosive

plural of dinitrobenzene

plural of dinitrotoluene

plural of dinitrophenylhydrazine

plural of dinitrophenol