colouring material

Definitions of colouring material

n any material used for its color

color, coloring material, colour
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paint, pigment
a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
a substance used to treat leather or other materials before dyeing; aids in dyeing process
dye, dyestuff
a usually soluble substance for staining or coloring e.g. fabrics or hair
a substances that colors metals
a reddish coloring material found in some algae
dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
any substance whose presence in plant or animal tissues produces a characteristic color
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
chlorophyl, chlorophyll
any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms
a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants
water-soluble proteinaceous pigments found in red algae and cyanobacteria
red pigment in red algae
blue pigment in algae
acrylic, acrylic paint
used especially by artists
antifouling paint
a paint used to protect against the accumulation of barnacles etc. on underwater surfaces
coat of paint
a layer of paint covering something else
paint made by mixing the pigments with water and a binder
a paint that dries to a hard glossy finish
a paint consisting of pigment mixed with melted beeswax; it is fixed with heat after application
finger paint, fingerpaint
paint that has the consistency of jelly
house paint, housepaint
paint used to cover the exterior woodwork of a house
oil paint
paint in which a drying oil is the vehicle
a paint that dries with a finish between glossy and flat
spray paint
paint applied with a spray gun
water-base paint
paint in which water is used as the vehicle
absorption indicator
an indicator used in reactions that involve precipitation
acid-base indicator
an indicator that changes color on going from acidic to basic solutions
Molisch reaction, Molisch test, Molisch's test, alpha-naphthol test
biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid
titania, titanic oxide, titanium dioxide, titanium oxide
a white powder used as a pigment for its high covering power and durability
cobalt blue, cobalt ultramarine
greenish-blue pigment consisting essentially of cobalt oxide and alumina
earth color
a colored mineral used as a pigment
mosaic gold, stannic sulfide
a yellow pigment sometimes suspended in lacquer
any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
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
animal pigment
pigment occurring in animals
azo dye
any dye containing one or more azo groups
crystal violet, gentian violet
a green crystal (violet in water) used as a dye or stain or bactericide or fungicide or anthelmintic or burn treatment
methylene blue, methylthionine chloride
a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
basic color, basic colour, basic dye
a dye that is considered to be a base because the chromophore is part of a positive ion
cerulean blue
light greenish-blue pigment consisting essentially of oxides of cobalt and tin
chrome green
any of a class of green pigments consisting of chrome yellow and iron blue
Hooker's green
green pigment consisting of Prussian blue mixed with gamboge
chrome yellow
any of several yellow pigments consisting of normal lead chromate and other lead compounds
bister, bistre
a water-soluble brownish-yellow pigment made by boiling wood soot
any of a large class of plant pigments having a chemical structure based on or similar to flavone
Indian red
a red pigment composed in part from ferric oxide which is often used in paints and cosmetics
ivory black
a black pigment made from grinding burnt ivory in oil
Prussian blue, iron blue
any of various blue pigments
Payne's gray, Payne's grey
any pigment that produces a greyish to dark greyish blue
chrome alum
a violet-colored salt used in hide tanning and as a mordant in dyeing
antimony potassium tartrate, tartar emetic
a poisonous colorless salt used as a mordant and in medicine
oxidation-reduction indicator
an indicator that shows a reversible color change between oxidized and reduced forms
a metal tincture used in heraldry to give a silvery appearance
alizarin, alizarine
an orange-red crystalline compound used in making red pigments and in dyeing
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
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)
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
a soft oily clay used as a pigment (especially a reddish brown pigment)
any of numerous bright translucent organic pigments
a purplish red pigment prepared from lac or cochineal
any pigment producing the orange color
water-color, water-colour, watercolor, watercolour
water-soluble pigment
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
a blue dyestuff obtained from the woad plant
retinal, retinene
either of two yellow to red retinal pigments formed from rhodopsin by the action of light
Paris green
a toxic double salt of copper arsenate and copper acetate
sodium bichromate, sodium dichromate
a red-orange salt used as a mordant
rich brown pigment prepared from the ink of cuttlefishes
any of various pigments distributed widely in living tissues
haem, haemitin, hematin, heme, protoheme
a complex red organic pigment containing iron and other atoms to which oxygen binds
haemosiderin, hemosiderin
a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism
a stain of contrasting color that is used when the principal stain does not show the structure clearly
ultramarine, ultramarine blue
blue pigment made of powdered lapis lazuli
a special pigment found in the rods and cones of the retina
cadmium yellow
pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange
cupric acetate, verdigris
a blue or green powder used as a paint pigment
ceruse, lead carbonate, white lead
a poisonous white pigment that contains lead
Chinese white, zinc white
a white pigment used in house paints; consists of zinc oxide
Type of:
material, stuff
the tangible substance that goes into the makeup of a physical object

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