Indoin: alternatives and connections

A West Indian plant (Indigofera anil), one of the original sources of indigo; also, the indigo dye.

A pale blue pigment, prepared from the native blue carbonate of copper, or from smalt; -- called also blue bice.

The blue buck. See Blue buck, under Blue.

Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; b…

A writing under seal, by which a person binds himself, his heirs, executors, and administrators, to pay a certain sum on or before a f…

Native blue vitriol. See Blue vitriol, under Blue.

A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper.

A colorless, inflammable, poisonous gas, C2N2, with a peach-blossom odor, so called from its tendency to form blue compounds; obtained…

A thick, colorless liquid, C2H4(OH)2, of a sweetish taste, produced artificially from certain ethylene compounds. It is a diacid alcoh…

A glucoside obtained from woad (indigo plant) and other plants, as a yellow or light brown sirup. It has a nauseous bitter taste, a de…

A variety of tourmaline of an indigo-blue color.

A blue dyestuff obtained from several plants belonging to very different genera and orders; as, the woad, Isatis tinctoria, Indigofera…

See Indigo white, under Indigo.

See Indigo blue, under Indigo.

A dark red crystalline substance, isomeric with and resembling indigo blue, and obtained from isatide and dioxindol.

A substance isomeric with, and resembling, indigo blue, and accompanying it as a side product, in its artificial production.

A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence,…

Any one of a series of artificial blue dyes, in appearance resembling indigo, for which they are often used as substitutes.