tolylenediamine
noun
tolylene·diamine
"+
: any of six isomeric crystalline bases CH3C6H3(NH2)2 derived from toluene of which some are used as dye intermediates: such as
a
: an isomer obtained by reduction of dinitrotoluene (see dinitrotoluene sense a); toluene-2,4-diamine
called also meta-tolylenediamine
b
: an isomer obtained by reduction of aminoazo-toluene; toluene-2,5-diamine
called also para-tolylenediamine
see safranine sense b
Word History
Etymology
tolylene + diamine