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eosinic

 - 3 dictionary results

e⋅o⋅sin

  [ee-uh-sin]
Use eosinic in a Sentence
–noun Chemistry.
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, e⋅o⋅sine  [ee-uh-sin, -seen] .

Origin:
1865–70; < Gk ēs dawn (see eo- ) + -in 2

Related forms:
e⋅o⋅sin⋅ic, adjective
e⋅o⋅sin⋅like, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: eo·sin
Pronunciation: 'E-&-s&n
Variant: also eo·sine /-s&n, -"sEn/
Function: noun
1 : a red fluorescent dye C20H8Br405 obtained by the action of bromine on fluorescein and used especially in cosmetics and as a toner; also : its red to brown sodium or potassium salt used especially as a biological stain for cytoplasmic structures
2 : any of several dyes related to eosin
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

eosin e·o·sin (ē'ə-sən)
n.
Any of a class of red acid dyes of the xanthene group used as cytoplasmic stains and as counterstains, especially the sodium and potassium salts of certain of these dyes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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