Definition of dyestuff

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Dyestuff (n.) A material used for dyeing.

Lern More About Dyestuff

Tropaeolin :: Tropaeolin (n.) A name given to any one of a series of orange-red dyestuffs produced artificially from certain complex sulphonic acid derivatives of azo and diazo hydrocarbons of the aromatic series; -- so called because of the general resemblance to the shades of nasturtium (Tropaeolum).
Safflower :: Safflower (n.) An annual composite plant (Carthamus tinctorius), the flowers of which are used as a dyestuff and in making rouge; bastard, or false, saffron..
Flavaniline :: Flavaniline (n.) A yellow, crystalline, organic dyestuff, C16H14N2, of artifical production. It is a strong base, and is a complex derivative of aniline and quinoline..
Induline :: Induline (n.) A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black..
Litmus :: Litmus (n.) A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein..
Violaniline :: Violaniline (n.) 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..
Mauveine :: Mauveine (n.) An artificial organic base, obtained by oxidizing a mixture of aniline and toluidine, and valuable for the dyestuffs it forms..
Safranin :: Safranin (n.) An orange-red dyestuff prepared from certain nitro compounds of creosol, and used as a substitute for the safflower dye..
Safranine :: Safranine (n.) An orange-red nitrogenous dyestuff produced artificially by oxidizing certain aniline derivatives, and used in dyeing silk and wool; also, any one of the series of which safranine proper is the type..
Tartrazine :: Tartrazine (n.) An artificial dyestuff obtained as an orange-yellow powder, and regarded as a phenyl hydrazine derivative of tartaric and sulphonic acids..
Helianthin :: Helianthin (n.) An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange..
Resorcin :: Resorcin (n.) A colorless crystalline substance of the phenol series, obtained by melting certain resins, as galbanum, asafetida, etc., with caustic potash. It is also produced artificially and used in making certain dyestuffs, as phthalein, fluorescein, and eosin..
Vesuvine :: Vesuvine (n.) A trade name for a brown dyestuff obtained from certain basic azo compounds of benzene; -- called also Bismarck brown, Manchester brown, etc..
Xanthorhamnin :: Xanthorhamnin (n.) A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff..
Luteolin :: Luteolin (n.) A yellow dyestuff obtained from the foliage of the dyer's broom (Reseda luteola).
Emeraldine :: Emeraldine (n.) A green compound used as a dyestuff, produced from aniline blue when acted upon by acid..
Chay Root :: Chay root () The root of the Oldenlandia umbellata, native in India, which yieds a durable red dyestuff..
Santalic :: Santalic (a.) Of, pertaining to, or obtained from, sandalwood (Santalum); -- used specifically to designate an acid obtained as a resinous or red crystalline dyestuff, which is called also santalin..
Nigrosine :: Nigrosine (n.) A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue..
Indophenol :: Indophenol (n.) Any one of a series of artificial blue dyestuffs, resembling indigo in appearance, and obtained by the action of phenol on certain nitrogenous derivatives of quinone. Simple indophenol proper has not yet been isolated..
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