“+ noun
Etymology: International Scientific Vocabulary dinitro- + toluene
: any of six isomeric toxic crystalline compounds CH 3 C 6 H 3 (NO 2 ) 3 formed by nitration of nitrotoluenes: as
a. : the yellow isomer obtained as the sole first product from para -nitrotoluene and used chiefly in making dyes and explosives — called also 2,4-dinitrotoluene
b. : a commercial mixture of two or more of the isomers