types:
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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
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indicator
(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
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mordant
a substance used to treat leather or other materials before dyeing; aids in dyeing process
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dye, dyestuff
a usually soluble substance for staining or coloring e.g. fabrics or hair
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tincture
a substance that colors metals
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hematochrome
a reddish coloring material found in some algae
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pigment
dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
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pigment
any substance whose presence in plant or animal tissues produces a characteristic color
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stain
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
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chlorophyl, chlorophyll
any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms
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bacteriochlorophyll
a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants
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phycobilin
water-soluble proteinaceous pigments found in red algae and cyanobacteria
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phycoerythrin
red pigment in red algae
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phycocyanin
blue pigment in algae
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acrylic, acrylic paint
used especially by artists
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antifouling paint
a paint used to protect against the accumulation of barnacles etc. on underwater surfaces
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coat of paint
a layer of paint covering something else
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distemper
paint made by mixing the pigments with water and a binder
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enamel
a paint that dries to a hard glossy finish
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encaustic
a paint consisting of pigment mixed with melted beeswax; it is fixed with heat after application
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finger paint, fingerpaint
paint that has the consistency of jelly
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house paint, housepaint
paint used to cover the exterior woodwork of a house
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oil paint
paint in which a drying oil is the vehicle
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semigloss
a paint that dries with a finish between glossy and flat
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spray paint
paint applied with a spray gun
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water-base paint
paint in which water is used as the vehicle
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absorption indicator
an indicator used in reactions that involve precipitation
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acid-base indicator
an indicator that changes color on going from acidic to basic solutions
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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
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titania, titanic oxide, titanium dioxide, titanium oxide
a white powder used as a pigment for its high covering power and durability
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cobalt blue, cobalt ultramarine
greenish-blue pigment consisting essentially of cobalt oxide and alumina
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earth color
a colored mineral used as a pigment
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mosaic gold, stannic sulfide
a yellow pigment sometimes suspended in lacquer
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carotenoid
any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
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acid dye
dye in which the chromophore is part of a negative ion
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alizarin yellow
any of various yellow dyes; not related chemically to alizarin but applied in the same manner
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anil, indigo, indigotin
a blue dye obtained from plants or made synthetically
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aniline dye
any of many dyes made from aniline
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animal pigment
pigment occurring in animals
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azo dye
any dye containing one or more azo groups
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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
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methylene blue, methylthionine chloride
a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
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basic color, basic colour, basic dye
a dye that is considered to be a base because the chromophore is part of a positive ion
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cerulean blue
light greenish-blue pigment consisting essentially of oxides of cobalt and tin
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chrome green
any of a class of green pigments consisting of chrome yellow and iron blue
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Hooker's green
green pigment consisting of Prussian blue mixed with gamboge
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chrome yellow
any of several yellow pigments consisting of normal lead chromate and other lead compounds
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bister, bistre
a water-soluble brownish-yellow pigment made by boiling wood soot
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flavonoid
any of a large class of plant pigments having a chemical structure based on or similar to flavone
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Indian red
a red pigment composed in part from ferric oxide which is often used in paints and cosmetics
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ivory black
a black pigment made from grinding burnt ivory in oil
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Prussian blue, iron blue
any of various blue pigments
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Payne's gray, Payne's grey
any pigment that produces a greyish to dark greyish blue
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chrome alum
a violet-colored salt used in hide tanning and as a mordant in dyeing
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antimony potassium tartrate, tartar emetic
a poisonous colorless salt used as a mordant and in medicine
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oxidation-reduction indicator
an indicator that shows a reversible color change between oxidized and reduced forms
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argent
a metal tincture used in heraldry to give a silvery appearance
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alizarin, alizarine
an orange-red crystalline compound used in making red pigments and in dyeing
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blue, blueing, bluing
used to whiten laundry or hair or give it a bluish tinge
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bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthalein
a dye used as an acid-base indicator
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bromothymol blue, bromthymol blue
a dye used as an acid-base indicator
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cochineal
a red dyestuff consisting of dried bodies of female cochineal insects
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cyanine dye
any of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography
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direct dye, substantive dye
dye with a high affinity for cellulose fibers (cotton or rayon etc.)
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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)
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fluorochrome
any of various fluorescent substances used in fluorescence microscopy to stain specimens
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hair coloring, hair dye
a dye or tint for the hair
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Kendal, Kendal green
a green dye, often used to color cloth, which is obtained from the woad plant
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lac dye
scarlet dye like cochineal; extracted with alkali from stick lac
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lead acetate, sugar of lead
a poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and varnishes
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archil, cudbear, orchil
a purplish dye obtained from orchil lichens
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bole
a soft oily clay used as a pigment (especially a reddish brown pigment)
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lake
any of numerous bright translucent organic pigments
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lake
a purplish red pigment prepared from lac or cochineal
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orange
any pigment producing the orange color
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water-color, water-colour, watercolor, watercolour
water-soluble pigment
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quercitron
a yellow dye made from the bark of the quercitron oak tree
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radiopaque dye
dye that does not allow the passage of X rays or other radiation; used to outline certain organs during X-ray examination
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saffranine, safranin, safranine
any of a class of chiefly red organic dyes
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Tyrian purple
a red-purple to deep purple dye obtained from snails or made synthetically
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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
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woad
a blue dyestuff obtained from the woad plant
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retinal, retinene
either of two yellow to red retinal pigments formed from rhodopsin by the action of light
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Paris green
a toxic double salt of copper arsenate and copper acetate
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sodium bichromate, sodium dichromate
a red-orange salt used as a mordant
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sepia
rich brown pigment prepared from the ink of cuttlefishes
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porphyrin
any of various pigments distributed widely in living tissues
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haem, haemitin, hematin, heme, protoheme
a complex red organic pigment containing iron and other atoms to which oxygen binds
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haemosiderin, hemosiderin
a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism
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counterstain
a stain of contrasting color that is used when the principal stain does not show the structure clearly
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ultramarine, ultramarine blue
blue pigment made of powdered lapis lazuli
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photopigment
a special pigment found in the rods and cones of the retina
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cadmium yellow
pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange
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cupric acetate, verdigris
a blue or green powder used as a paint pigment
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ceruse, lead carbonate, white lead
a poisonous white pigment that contains lead
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Chinese white, zinc white
a white pigment used in house paints; consists of zinc oxide