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Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations

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Noun

S: (n) titanium dioxide, titanium oxide, titanic oxide, titania (a white powder used as a pigment for its high covering power and durability)

direct hypernym / inherited hypernym / sister term

S: (n) pigment (dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.))

S: (n) chlorophyll, chlorophyl (any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms)
S: (n) bacteriochlorophyll (a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants)
S: (n) phycobilin (water-soluble proteinaceous pigments found in red algae and cyanobacteria)
S: (n) phycoerythrin (red pigment in red algae)
S: (n) phycocyanin (blue pigment in algae)
S: (n) titanium dioxide, titanium oxide, titanic oxide, titania (a white powder used as a pigment for its high covering power and durability)
S: (n) cobalt blue, cobalt ultramarine (greenish-blue pigment consisting essentially of cobalt oxide and alumina)
S: (n) earth color (a colored mineral used as a pigment)
S: (n) mosaic gold, stannic sulfide (a yellow pigment sometimes suspended in lacquer)
S: (n) carotenoid (any of a class of highly unsaturated yellow to red pigments occurring in plants and animals)
S: (n) animal pigment (pigment occurring in animals)
S: (n) cerulean blue (light greenish-blue pigment consisting essentially of oxides of cobalt and tin)
S: (n) chrome green (any of a class of green pigments consisting of chrome yellow and iron blue)
S: (n) Hooker's green (green pigment consisting of Prussian blue mixed with gamboge)
S: (n) chrome yellow (any of several yellow pigments consisting of normal lead chromate and other lead compounds)
S: (n) bister, bistre (a water-soluble brownish-yellow pigment made by boiling wood soot)
S: (n) flavonoid (any of a large class of plant pigments having a chemical structure based on or similar to flavone)
S: (n) Indian red (a red pigment composed in part from ferric oxide which is often used in paints and cosmetics)
S: (n) ivory black (a black pigment made from grinding burnt ivory in oil)
S: (n) iron blue, Prussian blue (any of various blue pigments)
S: (n) Payne's grey, Payne's gray (any pigment that produces a greyish to dark greyish blue)
S: (n) alizarin, alizarine (an orange-red crystalline compound used in making red pigments and in dyeing)
S: (n) bole (a soft oily clay used as a pigment (especially a reddish brown pigment))
S: (n) lake (any of numerous bright translucent organic pigments)
S: (n) lake (a purplish red pigment prepared from lac or cochineal)
S: (n) orange (any pigment producing the orange color)
S: (n) watercolor, water-color, watercolour, water-colour (water-soluble pigment)
S: (n) retinene, retinal (either of two yellow to red retinal pigments formed from rhodopsin by the action of light)
S: (n) Paris green (a toxic double salt of copper arsenate and copper acetate)
S: (n) sepia (rich brown pigment prepared from the ink of cuttlefishes)
S: (n) porphyrin (any of various pigments distributed widely in living tissues)
S: (n) heme, haem, hematin, haemitin, protoheme (a complex red organic pigment containing iron and other atoms to which oxygen binds)
S: (n) hemosiderin, haemosiderin (a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism)
S: (n) ultramarine, ultramarine blue (blue pigment made of powdered lapis lazuli)
S: (n) photopigment (a special pigment found in the rods and cones of the retina)
S: (n) cadmium yellow (pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange)
S: (n) verdigris, cupric acetate (a blue or green powder used as a paint pigment)
S: (n) white lead, ceruse, lead carbonate (a poisonous white pigment that contains lead)
S: (n) zinc white, Chinese white (a white pigment used in house paints; consists of zinc oxide)

S: (n) oxide (any compound of oxygen with another element or a radical)

S: (n) titanium dioxide, titanium oxide, titanic oxide, titania (a white powder used as a pigment for its high covering power and durability)
S: (n) pentoxide (an oxide containing five atoms of oxygen in the molecule)
S: (n) nitrogen oxide (any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts)
S: (n) calcium oxide, quicklime, lime, calx, calcined lime, fluxing lime, unslaked lime, burnt lime (a white crystalline oxide used in the production of calcium hydroxide)
S: (n) copper oxide (an oxide of copper)
S: (n) dioxide (an oxide containing two atoms of oxygen in the molecule)
S: (n) ferric oxide (a red oxide of iron)
S: (n) monoxide (an oxide containing just one atom of oxygen in the molecule)
S: (n) peroxide (an inorganic compound containing the divalent ion -O-O-)
S: (n) red lead, minium (a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics)
S: (n) silica, silicon oxide, silicon dioxide (a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite)
S: (n) sulfur oxide, sulphur oxide (any of several oxides of sulphur)
S: (n) superoxide (a metallic oxide containing the univalent anion O2-)
S: (n) tetroxide (an oxide containing four atoms of oxygen in the molecule)
S: (n) trioxide (an oxide containing three atoms of oxygen in the molecule)
S: (n) zinc oxide, flowers of zinc, philosopher's wool, philosophers' wool (oxide of zinc; a white powder used as a pigment or in cosmetics or glass or inks and in zinc ointment)
S: (n) zirconium oxide, zirconia, zirconium dioxide (a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes)

S: (n) Titania ((Middle Ages) the queen of the fairies in medieval folklore)