Diisatogen

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Diisatogen \Di`i*sat"o*gen\, n. [Pref. di- + isatine + -gen.]
     (Chem.)
     A red crystalline nitrogenous substance of artificial
     production, which by reduction passes directly to indigo.
     [1913 Webster]