In`di*gom"e*ter (?), n. [Indigo + -meter.] An instrument for
ascertaining the strength of an indigo solution, as in volumetric
analysis. Ure.
In`di*gom"e*try (?), n. The art or method of determining the coloring
power of indigo.
In`di*got"ic (?), a. [Cf. F. indigotique.] (Chem.) Pertaining to, or
derived from, indigo; as, indigotic acid, which is also called anilic
or nitrosalicylic acid.
In"di*go*tin (?), n. (Chem.) See Indigo blue, under Indigo.
In`dig*ru"bin (?), n. [Indigo + L. ruber red.] (Physiol. Chem.) Same as
Urrhodin.
In`di*hu"min (?), n. [Indican + humin.] (Chem.) A brown amorphous
substance resembling humin, and obtained from indican.