n. [ See Anil. ] (Chem.) An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made. [ 1913 Webster ]

a. Made from, or of the nature of, aniline. [ 1913 Webster ]

n. [ Gr. chryso`s gold + E. anilene. ] (Chem.) A yellow substance obtained as a by-product in the manufacture of rosaniline. It dyes silk a fine golden-yellow color. [ 1913 Webster ]

n. [ L. flavus yellow + E. aniline. ] (Chem.) A yellow, crystalline, organic dyestuff, C16H14N2, of artifical production. It is a strong base, and is a complex derivative of aniline and quinoline. [ 1913 Webster ]

n. [ Indigo + aniline. ] (Chem.) Any one of a series of artificial blue dyes, in appearance resembling indigo, for which they are often used as substitutes. [ 1913 Webster ]

n. [ Leuc- + aniline. ] (Chem.) A colorless, crystalline, organic base, obtained from rosaniline by reduction, and also from other sources. It forms colorless salts. [ 1913 Webster ]

n. (Chem.) See Mauve aniline, under Mauve. [ 1913 Webster ]

n. (Chem.) A complex nitrogenous hydrocarbon obtained artificially (as by the action of cyanogen chloride on aniline) as a white, crystalline substance; -- called also diphenyl guanidin. [ 1913 Webster ]

n. [ L. niger black + E. aniline. ] (Chem.) The complex, nitrogenous, organic base and dyestuff called also aniline black. [ 1913 Webster ]

n. [ Nitro- + aniline. ] (Chem.) Any one of a series of nitro derivatives of aniline; nitroaniline. In general they are yellow crystalline substances. [ 1913 Webster ]

n. [ Rose + aniline. ] (Chem.) A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colorless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived from, or related to, rosaniline proper. [ 1913 Webster ]

n. [ Violet + aniline. ] (Chem.) A dyestuff of the induline group, made from aniline, and used as a substitute for indigo in dyeing wool and silk a violet-blue or a gray-blue color. [ 1913 Webster ]