English word senses marked with topical category "Dyes"

• Home
• English edition
• English
• Senses by topical category
• Dyes

Parent categories: Matter, Pigments, Chemistry, Nature, Colors, Sciences, Light, Vision, Energy, Senses, Perception, Body

Total 94 word senses

• Bismarck brown (Noun) Either of a pair of brown dyes, Bismarck brown R and Bismarck brown Y.
• Bonney's blue (Noun) An antiseptic solution used to sterilise and stain the vagina, cervix and surrounding skin during gynaecological procedures, and therefore reducing postoperative infection.
• Brown HT (Noun) A brown synthetic coal tar diazo dye.
• Congo red (Noun) A dye that turns red in alkaline, blue in acidic solutions.
• Evans blue (Noun) An azo dye with very high affinity for serum albumin.
• French purple (Noun) A dyestuff obtained from certain lichen known as orchella weeds, used for colouring woollen and silken fabrics, without the aid of mordants.
• Orange GGN (Noun) An orange azo dye, 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid, used as a food colouring
• Perkin's mauve (Proper name) The dye mauveine.
• Perkin's purple (Proper name) Synonym of Perkin's mauve
• Tyrian purple (Noun) A deep purple dyestuff obtained from the bodies of mollusks of certain species of the family Muricidae, originally certain of those of the eastern Mediterranean, now also other species from elsewhere.
• Tyrian purple (Noun) A deep purple colour, tinted with red, like that of the dye.
• Tyrian purple (Adjective) Of a deep purple colour, tinted with red, like that of the dye.
• alder buckthorn (Noun) A deciduous shrub, Frangula alnus, native to Europe and neighboring areas of Asia and Africa, bearing glossy leaves, flowers in sessile umbels, and inedible red berries that turn black when ripe, and historically used as a laxative and to produce dyes.
• alizarin (Noun) A red substance, 1,2-dihydroxyanthraquinone, extracted from madder root and used as a dye.
• alizarin red (Noun) Synonym of alizarin
• aniline green (Noun) malachite green
• aniline purple (Noun) Synonym of mauveine
• aniline yellow (Noun) A yellow azo dye, 4-phenyldiazenylaniline
• argamannu (Noun) A red-purple dye.
• azo dye (Noun) Any of a large number of mostly yellow to red synthetic dyes that contain an azo or diimide (-N=N-) functional group.
• azophloxin (Noun) A synthetic red azo dye.
• azorubine (Noun) a red azo dye used as a food colouring, mostly in baked goods
• azovan blue (Noun) Synonym of Evans blue
• benzophenoxazine (Noun) Any of a certain class of dyes.
• brazilin (Noun) A red pigment obtained from brazilwood.
• brilliant green (Noun) A triarylmethane dye, closely related to malachite green, also used in solution for its antiseptic properties.
• bromocresol purple (Noun) A sulfonephthalein derived from a brominated derivative of cresol; it is used as an acid-base indicator
• bromosulfophthalein (Noun) A dye used in various medical tests of liver function. Abbreviated to BSP.
• butternut (Noun) A North American walnut tree, Juglans cinerea.
• butternut (Noun) A dye made from the fruit of this walnut tree.
• butternut (Noun) Butternut squash.
• calcein (Noun) A fluorescent dye, with chemical formula C₃₀H₂₆N₂O₁₃; related to fluorescein; used in some contexts as a calcium indicator
• carboxyeosin (Noun) Any carboxy derivative of eosin, but especially 5(6)-carboxyeosin whose diacetate is used as a fluorescent dye
• carboxyfluorescein (Noun) A fluorescent dye that is used as a biological tracer
• carboxyrhodamine (Noun) Any of a range of rhodamine dyes that have one or two carboxylic acid substituents
• carthamin (Noun) A red pigment obtained from the safflower, Carthamus tinctorius.
• carthamus red (Noun) The red dye "carthamin"
• chrysaniline (Noun) A yellow substance obtained as a by-product in the manufacture of rosaniline, used to dye silk a golden-yellow colour.
• chrysoidine (Noun) A yellow-orange crystalline dye, C₆H₅N₂.C₆H₃(NH₂)₂.
• chrysoine resorcinol (Noun) a golden-yellow azo dye used as a food coloring
• cochineal (Noun) A scale insect of the species Dactylopius coccus, native to the tropical and subtropical Americas, which lives on prickly pear cacti (genus Opuntia).
• copper phthalocyanine (Noun) A synthetic chemical used as a colorant in paints and dyes. First used in 1929. In pure form it is an intense blue. It is chlorinated to produce very intense dark green, and brominated and chlorinated copper phthalocyanines are mixed to produce a yellower emerald green.
• cresolphthalein (Noun) A derivative of phenolphthalein used as a pH indicator
• crystal violet (Noun) A dye, derived from gentian violet, that is used as an acid-base indicator and as a biological stain.
• cudbear (Noun) A violet-red powder, difficult to moisten with water, prepared from certain lichens, especially Ochrolechia tartarea (syn. Lecanora tartarea), and used for making violet or purple dye.
• dansyl amide (Noun) The fluorescent dye 5-(dimethylamino)naphthalene-1-sulfonamide
• dichlorophenolindophenol (Noun) A blue chemical compound used as a redox dye.
• direct orange (Noun) A kind of bright orange dye.
• eosin (Noun) A red, acidic dye commonly used in histological stains.
• erythrosin (Noun) A red substance formed by the oxidation of tyrosin.
• fluorescein (Noun) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations
• fustic (Noun) A tropical American tree (Maclura tinctoria), whose wood produces a yellow dye.
• fustic (Noun) A European tree, Eurasian smoketree (Cotinus coggygria), whose wood produces an orange dye.
• fustic (Noun) A yellow dye obtained from the wood of these trees.
• fustin (Noun) A yellow dye obtained from fustic, Venetian sumach (Cotinus coggygria).
• gentian violet (Noun) Also known as crystal violet, a chemical dye used in the Gram stain test, and is also a fungicide. Chemically: hexamethyl pararosaniline chloride, C₂₅H₃₀ClN₃
• hydrocyanine (Noun) Any of a group of dyes that can detect reactive oxygen species, reacting to form cyanine
• indigo (Noun) An indigo-colored dye obtained from certain plants (indigo plant or woad), or a similar synthetic dye.
• invisible green (Noun) A very dark shade of green that is almost black.
• kermesic acid (Noun) A red chemical pigment from the insect kermes dye named 1-methyl-2-carboxy-3,5,6,8-tetrahydroxyanthraquinone.
• lacmus (Noun) Litmus, orchil.
• litmus (Noun) A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
• litmus (Noun) A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
• litmus (Noun) A simple test of any attribute; a litmus test.
• malachite green (Noun) A toxic chemical used as a dye, as a treatment for infections in fish (when diluted), and as a bacteriological stain
• mauvaniline (Noun) mauveine
• mauveine (Noun) A purple dye, the first synthetic organic dye created.
• methyl violet (Noun) An artificial dye consisting of certain methyl halogen derivatives of rosaniline.
• methylene blue (Noun) A heterocyclic aromatic chemical compound with many uses in biology and chemistry.
• naphthol blue (Noun) Dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.
• orcein (Noun) a dye, related to litmus, that is extracted from the lichen Rocella tinctoria; used as a microscopic stain and as a food colouring
• orchil (Noun) The purple dye, orcein, extracted from them (especially Lecanora tartarea) and often used as substitute for Tyrian purple.
• para red (Noun) Paranitraniline red.
• paranitraniline red (Noun) The first azo dye discovered (in 1880), which dyes cellulose fabrics a brilliant red but is not very fast.
• pseudomauveine (Noun) A dye related to mauveine.
• purpurin (Noun) A red anthraquinone dye, extracted from madder, that is used as a biological stain
• quercitron (Noun) The black oak tree, Quercus velutina, indigenous to North America.
• quinoline yellow (Noun) a yellow food coloring now known to be toxic and banned in some countries
• rhodamine (Noun) Any of a class of pink to red polycyclic fluorone dyes.
• rose bengal (Noun) 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein, a stain whose sodium salt is commonly used in eyedrops to stain damaged cells and thereby identify damage.
• saffron (Noun) A plant of species Crocus sativus, a crocus.
• saffron (Noun) A spice (seasoning) and colouring agent made from the stigma and part of the style of the plant, sometimes or formerly also used as a dye and insect repellent.
• saffron (Noun) An orange-yellow colour, the colour of a lion's pelt.
• saffron (Verb) To give a saffron colour to (something).; To dye (a fabric, garment, etc.) with a saffron-based dye.
• safranin (Noun) A biological stain used in histology and cytology.
• spirit blue (Noun) A blue aniline dye used as an indicator in agar for detection of lipase activity in bacteria.
• sulfoindocyanine (Noun) A C-sulfate derivative of indocyanine that is a fluorescent dye
• sulforhodamine (Noun) Any derivative of a rhodamine formed by adding one or more sulfonate groups. Often used as fluorescent dyes.
• takiltu (Noun) An Akkadian blue or purple dye.
• tetramethylrhodamine (Noun) A rhodamine in which four hydrogens have been replaced by methyl groups. Forms such as tetramethylrhodamine dextran are often used as fluorescent tracer dyes in cell research.
• thymol blue (Noun) thymolsulphonephthalein
• thymolsulphonephthalein (Noun) Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.
• tropaeolin (Noun) Any of several orange dyes of very complex composition: tropaeolin O (acid orange 6, chrysoine resorcinol), tropaeolin OO (acid orange 5), or tropaeolin OOO (acid orange 7).
• xylochrome (Noun) A kind of dye derived from the tannin in wood.

Download postprocessed JSONL data for these senses (244.5kB)