| 单词 | dyestuff |
| 释义 | dyestuff (once / 25807 pages) n WORD FAMILY dyestuff: dyestuffs USAGE EXAMPLES“We lay the dyestuff over ice, and as it melts, the dye soaks into the carpet and is sealed.” Architectural Digest(Dec 15, 2014) Red cloth in this period was dyed using four main dyestuffs - madder, kermes, cochineal and lichen dyes. BBC(Sep 19, 2014) As with many successful pharmaceutical companies, Kern and Sandoz began by making dyestuffs. Salon(Dec 14, 2013) n a usually soluble substance for staining or coloring e.g. fabrics or hair Syn|Hypo|Hyper dye acid dye dye in which the chromophore is part of a negative ion alizarin yellowany of various yellow dyes; not related chemically to alizarin but applied in the same manner anil, indigo, indigotina blue dye obtained from plants or made synthetically aniline dyeany of many dyes made from aniline azo dyeany dye containing one or more azo groups basic color, basic colour, basic dyea dye that is considered to be a base because the chromophore is part of a positive ion blue, blueing, bluingused to whiten laundry or hair or give it a bluish tinge bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthaleina dye used as an acid-base indicator bromothymol blue, bromthymol bluea dye used as an acid-base indicator cochineala red dyestuff consisting of dried bodies of female cochineal insects cyanine dyeany of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography direct dye, substantive dyedye with a high affinity for cellulose fibers (cotton or rayon etc.) fluorescein, fluoresceine, fluorescent dye, resorcinolphthaleina 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) fluorochromeany of various fluorescent substances used in fluorescence microscopy to stain specimens hair coloring, hair dyea dye or tint for the hair Kendal, Kendal greena green dye, often used to color cloth, which is obtained from the woad plant lac dyescarlet dye like cochineal; extracted with alkali from stick lac lead acetate, sugar of leada poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and varnishes archil, cudbear, orchila purplish dye obtained from orchil lichens quercitrona yellow dye made from the bark of the quercitron oak tree radiopaque dyedye that does not allow the passage of X rays or other radiation; used to outline certain organs during X-ray examination saffranine, safranin, safranineany of a class of chiefly red organic dyes Tyrian purplea red-purple to deep purple dye obtained from snails or made synthetically vat color, vat dyea 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 woada blue dyestuff obtained from the woad plant metallized dyeacid dye in which the negative ion contains a chelated metal atom congo reda red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions) methyl orangean azo dye used as an acid-base indicator; used for titrations involving weak bases bromeosin, eosina red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures fluorescein isocyanate, fluorescein isothiocyanatea fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescence hennaa reddish brown dye used especially on hair rinsea liquid preparation used on wet hair to give it a tint pheno-safraninea purplish red water-soluble dye used in microscopy color, coloring material, colour, colouring material any material used for its color |
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