1. 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]
WordNet (r) 3.0 (2006):
bromeosin
n 1: 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]