单词 | pigment |
释义 | pigment (once / 2217 pages) nv Something's color is its pigment. Technically, all living things have a natural pigment — leaves have a green pigment for example — but the word is more generally applied to human skin color. The other, more technical, use of pigment refers to the substance, usually a powder, that is added to a liquid to give it its color. For example, ultramarine paint is made from a crushed blue silicate that mixed with oil produces a brilliant blue tone. Other pigments were achieved in less pleasant ways. The bright yellow of many Indian paintings? Cow's urine. The red of medieval ox-blood walls? You guessed it. WORD FAMILYpigment: pigmentation, pigmented, pigmenting, pigments+/pigmentation: depigmentation, hyperpigmentation, hypopigmentation, pigmentations/pigmented: unpigmented USAGE EXAMPLESIn a few pieces, Redwood pulls away layers of paint and in others, he builds up the pigment with modeling paste. Los Angeles Times(Dec 23, 2016) It affects people worldwide regardless of ethnicity or gender, and prevents the body producing a pigment called melanin. BBC(Dec 14, 2016) But a few Christmases ago, they decided to try some other pigments, which gained modest traction in rural Wisconsin. New York Times(Dec 04, 2016) 1n dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.) Hypo|Hyper chlorophyl, chlorophyll any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms bacteriochlorophylla substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants phycobilinwater-soluble proteinaceous pigments found in red algae and cyanobacteria phycoerythrinred pigment in red algae phycocyaninblue pigment in algae titania, titanic oxide, titanium dioxide, titanium oxidea white powder used as a pigment for its high covering power and durability cobalt blue, cobalt ultramarinegreenish-blue pigment consisting essentially of cobalt oxide and alumina earth colora colored mineral used as a pigment mosaic gold, stannic sulfidea yellow pigment sometimes suspended in lacquer carotenoidany of a class of highly unsaturated yellow to red pigments occurring in plants and animals animal pigmentpigment occurring in animals cerulean bluelight greenish-blue pigment consisting essentially of oxides of cobalt and tin chrome greenany of a class of green pigments consisting of chrome yellow and iron blue Hooker's greengreen pigment consisting of Prussian blue mixed with gamboge chrome yellowany of several yellow pigments consisting of normal lead chromate and other lead compounds bister, bistrea water-soluble brownish-yellow pigment made by boiling wood soot flavonoidany of a large class of plant pigments having a chemical structure based on or similar to flavone Indian reda red pigment composed in part from ferric oxide which is often used in paints and cosmetics ivory blacka black pigment made from grinding burnt ivory in oil Prussian blue, iron blueany of various blue pigments Payne's gray, Payne's greyany pigment that produces a greyish to dark greyish blue alizarin, alizarinean orange-red crystalline compound used in making red pigments and in dyeing bolea soft oily clay used as a pigment (especially a reddish brown pigment) lakeany of numerous bright translucent organic pigments lakea purplish red pigment prepared from lac or cochineal orangeany pigment producing the orange color water-color, water-colour, watercolor, watercolourwater-soluble pigment retinal, retineneeither of two yellow to red retinal pigments formed from rhodopsin by the action of light Paris greena toxic double salt of copper arsenate and copper acetate sepiarich brown pigment prepared from the ink of cuttlefishes porphyrinany of various pigments distributed widely in living tissues haem, haemitin, hematin, heme, protohemea complex red organic pigment containing iron and other atoms to which oxygen binds haemosiderin, hemosiderina granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism ultramarine, ultramarine blueblue pigment made of powdered lapis lazuli photopigmenta special pigment found in the rods and cones of the retina cadmium yellowpigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange cupric acetate, verdigrisa blue or green powder used as a paint pigment ceruse, lead carbonate, white leada poisonous white pigment that contains lead Chinese white, zinc whitea white pigment used in house paints; consists of zinc oxide chlorophyll aa blue-black plant pigment having a blue-green alcohol solution; found in all higher plants chlorophyll ba dark-green plant pigment having a brilliant green alcohol solution; generally characteristic of higher plants chlorofucin, chlorophyll cthe chlorophyll present in brown algae, diatoms, and flagellates chlorophyll dthe chlorophyll found (together with chlorophyll a) in red algae caroteneyellow or orange-red fat-soluble pigments in plants lycopenecarotenoid that makes tomatoes red; may lower the risk of prostate cancer beta-carotenean isomer of carotene that is found in dark green and dark yellow fruits and vegetables lutein, xanthophyl, xanthophyllyellow carotenoid pigments in plants and animal fats and egg yolks zeaxanthinyellow carotenoid (isomeric with lutein and occurs widely with it) that is the main pigment in yellow Indian corn bilirubin, haematoidin, hematoidinan orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice urobilinbrown bile pigment formed from urobilinogens and found in feces and in small amounts in urine luciferinpigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation melanininsoluble pigments that account for the color of e.g. skin and scales and feathers Windsor greena light chrome green pigment siennaan earth color containing ferric oxides; used as a pigment ocher, ochreany of various earths containing silica and alumina and ferric oxide; used as a pigment alizarin carmine, alizarin crimson, alizarin redany of various acid dyes; used for dyeing wool scarlet red French blue, French ultramarine, French ultramarine blueultramarine pigment prepared artificially umberan earth pigment iodopsina violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision retinal purple, rhodopsin, visual purplea red photopigment in the retinal rods of vertebrates; dissociates into retinene by light cadmium yellow palepale-hued cadmium yellow pigment cadmium orangeorange-hued cadmium yellow pigment color, coloring material, colour, colouring material any material used for its color 2n 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 Syn|Hypo|Hyper paint acrylic, acrylic paint used especially by artists antifouling painta paint used to protect against the accumulation of barnacles etc. on underwater surfaces coat of painta layer of paint covering something else distemperpaint made by mixing the pigments with water and a binder enamela paint that dries to a hard glossy finish encaustica paint consisting of pigment mixed with melted beeswax; it is fixed with heat after application finger paint, fingerpaintpaint that has the consistency of jelly house paint, housepaintpaint used to cover the exterior woodwork of a house oil paintpaint in which a drying oil is the vehicle semiglossa paint that dries with a finish between glossy and flat spray paintpaint applied with a spray gun water-base paintpaint in which water is used as the vehicle calciminea water-base paint containing zinc oxide and glue and coloring; used as a wash for walls and ceilings casein, casein painta water-base paint made with a protein precipitated from milk finish coat, finishing coatthe final coat of paint flat coat, ground, primer, primer coat, priming, priming coat, undercoatthe first or preliminary coat of paint or size applied to a surface latex, latex paint, rubber-base painta water-base paint that has a latex binder oil, oil color, oil colouroil paint containing pigment that is used by an artist poster color, poster colour, poster paint, temperapigment mixed with water-soluble glutinous materials such as size and egg yolk washa thin coat of water-base paint water-color, water-colour, watercolor, watercoloura water-base paint (with water-soluble pigments); used by artists coat, coating a thin layer covering something color, coloring material, colour, colouring materialany material used for its color 3n any substance whose presence in plant or animal tissues produces a characteristic color Hyper color, coloring material, colour, colouring material any material used for its color 4v color or dye with a pigment pigment a photograph Hyper color, color in, colorise, colorize, colour, colour in, colourise, colourize add color to 5v acquire pigment; become colored or imbued Hyper hue take on color or become colored |
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