The Collaborative International Dictionary of English v.0.48:

Induline \In"du*line\, n. [Perh. fr. indigo.] (Chem.)
   (a) Any one of a large series of aniline dyes, colored blue
       or violet, and represented by aniline violet.
   (b) A dark green amorphous dyestuff, produced by the
       oxidation of aniline in the presence of copper or
       vanadium salts; -- called also aniline black. Indult