dyestuff

/ˌdaɪˈstʌf/

Other forms: dyestuffs

Definitions of dyestuff

1. noun

   a usually soluble substance for staining or coloring e.g. fabrics or hair
   synonyms: dye

   types:

   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

   a dye or tint for 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

   metallized dye

   acid dye in which the negative ion contains a chelated metal atom

   congo red

   a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)

   methyl orange

   an azo dye used as an acid-base indicator; used for titrations involving weak bases

   bromeosin, eosin

   a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures

   fluorescein isocyanate, fluorescein isothiocyanate

   a fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescence

   henna

   a reddish brown dye used especially on hair

   rinse

   a liquid preparation used on wet hair to give it a tint

   pheno-safranine

   a purplish red water-soluble dye used in microscopy

   type of:

   color, coloring material, colour, colouring material

   any material used for its color