Meaning of eosin


Pronunciation: (ē'u-sin), [key]
— n. Chem.
  1. Also calleda red, crystalline, water-insoluble solid, CHBrO, 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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