noun tolylene·diamine \"+\

Definition of tolylenediamine

  1. :  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 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 b

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Origin and Etymology of tolylenediamine

tolylene + diamine

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a trip made at another's expense

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