Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of indigo is as below...

Bluing :: Bluing (n.) Something to give a bluish tint, as indigo, or preparations used by washerwomen..

Urrhodin :: Urrhodin (n.) Indigo red, a product of the decomposition, or oxidation, of indican. It is sometimes found in the sediment of pathological urines. It is soluble in ether or alcohol, giving the solution a beautiful red color. Also called indigrubin..

Indigoes :: Indigoes (pl. ) of Indig.

Uroglaucin :: Uroglaucin (n.) A body identical with indigo blue, occasionally found in the urine in degeneration of the kidneys. It is readily formed by oxidation or decomposition of indican..

Skatol :: Skatol (n.) A constituent of human faeces formed in the small intestines as a product of the putrefaction of albuminous matter. It is also found in reduced indigo. Chemically it is methyl indol, C9H9N..

Indigo :: Indigo (a.) Having the color of, pertaining to, or derived from, indigo..

Indicolite :: Indicolite (n.) A variety of tourmaline of an indigo-blue color.

Tumbleweed :: Tumbleweed (n.) Any plant which habitually breaks away from its roots in the autumn, and is driven by the wind, as a light, rolling mass, over the fields and prairies; as witch grass, wild indigo, Amarantus albus, etc..

Orpiment :: Orpiment (n.) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing..

Sulphine :: Sulphindigotic (a.) Of, pertaining to, or designating, a sulphonic acid obtained, as a blue solution, by dissolving indigo in sulphuric acid; -- formerly called also cerulic sulphuric acid, but properly called indigo-disulphonic acid..

Indolin :: Indolin (n.) A dark resinous substance, polymeric with indol, and obtained by the reduction of indigo white..

Indigometer :: Indigometer (n.) An instrument for ascertaining the strength of an indigo solution, as in volumetric analysis..

Phenicine :: Phenicine (n.) A purple powder precipitated when a sulphuric solution of indigo is diluted with water.

Chemistry :: Chemistry (n.) An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo..

Indoin :: Indoin (n.) A substance resembling indigo blue, obtained artificially from certain isatogen compounds..

Isatin :: Isatin (n.) An orange-red crystalline substance, C8H5NO2, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo..

Diisatogen :: Diisatogen (n.) A red crystalline nitrogenous substance or artificial production, which by reduction passes directly to indigo..

Indogen :: Indogen (n.) A complex, nitrogenous radical, C8H5NO, regarded as the essential nucleus of indigo..

Indican :: Indican (n.) A glucoside obtained from woad (indigo plant) and other plants, as a yellow or light brown sirup. It has a nauseous bitter taste, a decomposes or drying. By the action of acids, ferments, etc., it breaks down into sugar and indigo. It is the source of natural indigo..

Indigogen :: Indigogen (n.) See Indigo white, under Indigo..

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