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eosin
[ ee-uh-sin ]
noun
- Also called bromeosin, tetrabromofluorescein. a red, crystalline, water-insoluble solid, C 20 H 8 Br 4 O 5 , derived from fluorescein by bromination: used chiefly as an acid dye for dyeing silk a rose red color and as a histological stain.
- any of a variety of eosinlike dyes.
eosin
/ ˈiːəʊsɪn; ˈiːəʊsɪn; -ˌsiːn /
noun
- Also calledbromeosin a red crystalline water-insoluble derivative of fluorescein. Its soluble salts are used as dyes. Formula: C 20 H 8 Br 4 O 5
- any of several similar dyes
Derived Forms
- ˈeosin-ˌlike, adjective
- ˌeoˈsinic, adjective
Other Words From
- eo·sinic adjective
- eo·sin·like adjective
Word History and Origins
Origin of eosin1
Example Sentences
Inside the ABS carrying case, you’ll also find a pair of tweezers, collecting vials, a Petri dish, prepared slides, Eosin dye, and more.
Other counterstains may be used such as dilute eosin, dilute fuchsin, or vesuvin.
Wassermann made several eosin preparations, by coupling the sodium derivative with potassium selenocyanide.
The eosin and the selenium were then combined by a method and in a form the details of which have never been published.
In this respect, therefore, they were entirely comparable with the eosin-selenium compound.
Wassermanns results with eosin-selenium were soon critically examined by other observers.
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