dyestuff

Noun
  1. A usually soluble substance for staining or coloring e.g. fabrics or hair (synset 115009942)
    is a type of: color, coloring material, colour, colouring material - any material used for its color
    subtypes:
    • acid dye - dye in which the chromophore is part of a negative ion
    • alizarin yellow - any of various yellow dyes; not related chemically to alizarin but applied in the same manner
    • anil, indigo, indigotin - a blue dye obtained from plants or made synthetically
    • aniline dye - any of many dyes made from aniline
    • azo dye - any dye containing one or more azo groups
    • basic color, basic colour, basic dye - a dye that is considered to be a base because the chromophore is part of a positive ion
    • blue, blueing, bluing - used to whiten laundry or hair or give it a bluish tinge
    • bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthalein - a dye used as an acid-base indicator
    • bromothymol blue, bromthymol blue - a dye used as an acid-base indicator
    • cochineal - a red dyestuff consisting of dried bodies of female cochineal insects
    • cyanine dye - any of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography
    • direct dye, substantive dye - dye with a high affinity for cellulose fibers (cotton or rayon etc.)
    • fluorescein, fluoresceine, fluorescent dye, resorcinolphthalein - a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
    • fluorochrome - any of various fluorescent substances used in fluorescence microscopy to stain specimens
    • hair coloring, hair dye, tint - a dye for coloring the hair
    • kendal, kendal green - a green dye, often used to color cloth, which is obtained from the woad plant
    • lac dye - scarlet dye like cochineal; extracted with alkali from stick lac
    • lead acetate, sugar of lead - a poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and varnishes
    • archil, cudbear, orchil - a purplish dye obtained from orchil lichens
    • quercitron - a yellow dye made from the bark of the quercitron oak tree
    • radiopaque dye - dye that does not allow the passage of X rays or other radiation; used to outline certain organs during X-ray examination
    • saffranine, safranin, safranine - any of a class of chiefly red organic dyes
    • tyrian purple - a red-purple to deep purple dye obtained from snails or made synthetically
    • vat color, vat dye - a water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton
    • woad - a blue dyestuff obtained from the woad plant
    has: chromophore - the chemical group that gives color to a molecule
    same as: dye

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