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 dyestuff is as below...

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..

Nigraniline :: Nigraniline (n.) The complex, nitrogenous, organic base and dyestuff called also aniline black..

Dye :: Dye (n.) Material used for dyeing; a dyestuff.

Fuchsine :: Fuchsine (n.) Aniline red; an artificial coal-tar dyestuff, of a metallic green color superficially, resembling cantharides, but when dissolved forming a brilliant dark red. It consists of a hydrochloride or acetate of rosaniline. See Rosaniline..

Nigrosine :: Nigrosine (n.) A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue..

Chay Root :: Chay root () The root of the Oldenlandia umbellata, native in India, which yieds a durable red dyestuff..

Safranin :: Safranin (n.) An orange-red dyestuff prepared from certain nitro compounds of creosol, and used as a substitute for the safflower dye..

Purpurin :: Purpurin (n.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance..

Dye :: Dye (v. t.) To stain; to color; to give a new and permanent color to, as by the application of dyestuffs..

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..

Paeonine :: Paeonine (n.) An artifical red nitrogenous dyestuff, called also red coralline..

Thionine :: Thionine (n.) An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet..

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..

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..

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..

Corallin :: Corallin (n.) A yellow coal-tar dyestuff which probably consists chiefly of rosolic acid. See Aurin, and Rosolic acid under Rosolic..

Eosin :: Eosin (n.) A yellow or brownish red dyestuff obtained by the action of bromine on fluorescein, and named from the fine rose-red which it imparts to silk. It is also used for making a fine red ink. Its solution is fluorescent..

Cochineal :: Cochineal () A dyestuff consisting of the dried bodies of females of the Coccus cacti, an insect native in Mexico, Central America, etc., and found on several species of cactus, esp. Opuntia cochinellifera..

Crocetin :: Crocetin (n.) A dyestuff, obtained from the Chinese crocin, which produces a brilliant yellow..

Rosolic :: Rosolic (a.) Pertaining to, or designating, a complex red dyestuff (called rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin..

Random Fonts

Most Popular