eosin

eosin
eosinic, adj.eosinlike, adj.
/ee"euh sin/, n. Chem.
1. Also called bromeosin, tetrabromofluorescein. a red, crystalline, water-insoluble solid, C20H8Br4O5, derived from fluorescein by bromination: used chiefly as an acid dye for dyeing silk a rose red color and as a histological stain.
2. any of a variety of eosinlike dyes.
Also, eosine /ee"euh sin, -seen'/.
[1865-70; < Gk eós dawn (see EO-) + -IN2]

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Universalium. 2010.

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  • eosin Y — eosin yellowish, eosin Y ws the sodium salt of tetrabromofluorescein, C20H6Br4Na2O5, a water soluble, red, anionic dye of the eosin group; widely used in bacteriologic and histologic staining …   Medical dictionary

  • eosin B — eosin I bluish dibromodinitrofluorescein, a dye having staining properties similar to eosin Y, but having a bluish rather than yellow cast …   Medical dictionary

  • Eosin — E o*sin, n. [Gr. ? dawn.] (Chem.) A yellow or brownish red dyestuff obtained by the action of bromine on fluoresce[ i]n, and named from the fine rose red which it imparts to silk. It is also used for making a fine red ink. Its solution is… …   The Collaborative International Dictionary of English

  • Eosīn — Eosīn, Farbstoff, s. Fluoresceïn …   Meyers Großes Konversations-Lexikon

  • Eosin — Eosin, s. Farbstoffe, künstliche organische …   Lexikon der gesamten Technik

  • Eosin — Eosīn, roter Farbstoff zum Färben von Seide und Wolle, entsteht durch Einwirken von Brom auf Fluoreszeïn, dient zum Papierfärben, zur Herstellung von Lacken und roter Tinte. Eosinophīl (grch.), sich leicht mit E. färbend; eosinophile Zellen, Art… …   Kleines Konversations-Lexikon

  • eosin — [ē′əsin, ē′əsēn΄ē′ō sin, ē′əsin] n. [< Gr ēōs, dawn (see EO ) + IN1] 1. a) a rose colored dye, C20H8O5Br4, prepared by brominating fluorescein and used to color inks, fabrics, etc. and to stain tissues b) its sodium or potassium salt, used as… …   English World dictionary

  • Eosin Y — Strukturformel Allgemeines Name Eosin Y Andere Namen …   Deutsch Wikipedia

  • Eosin — For the eosin glazing process, see Zsolnay. Eosin Y …   Wikipedia

  • Eosin B — Strukturformel Allgemeines Name Eosin B Andere Namen …   Deutsch Wikipedia

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