-ˌdēn, -_də̇n noun
( -s )
Etymology: International Scientific Vocabulary tol- + -idine
: any of three isomeric amino derivatives CH 3 C 6 H 4 NH 2 of toluene that are the ortho, meta, and para methyl homologues of aniline, that are usually obtained by reducing the corresponding nitrotoluenes, and that are used chiefly as dye intermediates