eosin
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.
any of a variety of eosinlike dyes.
Origin of eosin
1- Also e·o·sine [ee-uh-sin, -seen]. /ˈi ə sɪn, -ˌsin/.
Other words from eosin
- e·o·sin·ic, adjective
- e·o·sin·like, adjective
Words Nearby eosin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use eosin in a sentence
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.
The Elements of Bacteriological Technique | John William Henry EyreWassermann 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.
British Dictionary definitions for eosin
eosine (ˈiːəʊsɪn, -ˌsiːn)
/ (ˈiːəʊsɪn) /
Also called: bromeosin 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
Origin of eosin
1Derived forms of eosin
- eosinic, adjective
- eosin-like, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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