'Eosin' definitions:
Definition of 'eosin'
(from WordNet)
noun
A red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures [syn: eosin, bromeosin]
Definition of 'Eosin'
From: GCIDE
- 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 fluorescent. [1913 Webster]