Definitions

from The Century Dictionary.

  • noun A name of various coaltar colors used in dyeing.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Any one of a large series of aniline dyes, colored blue or violet, and represented by aniline violet.
  • noun A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry Any of a series of blue, bluish-red and black dyestuffs, formed by the interaction of para-amino azo compounds with primary monoamines in the presence of a small quantity of a mineral acid.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Perhaps from indigo.

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Examples

  • The discovery of induline, one of the modifications of aniline black, was made known in 1864.

    Forty Centuries of Ink 1904

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