— eosinic , adj. — eosinlike , adj.
/ee"euh sin/ , n. Chem.
1. 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.
2. any of a variety of eosinlike dyes.
Also, eosine /ee"euh sin, -seen'/ .
[ 1865-70; eós dawn (see EO-) + -IN 2 ]