(n) 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.bromeosin
‖n. [ NL., fr. Gr. 'hw`s dawn + say^ros lizard. ] (Paleon.) An extinct marine reptile from the coal measures of Nova Scotia; -- so named because supposed to be of the earliest known reptiles. [ 1913 Webster ]
n. [ Gr. &unr_; dawn. ] (Chem.) A yellow or brownish red dyestuff obtained by the action of bromine on fluoresceïn, 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 ]
n. [ From Gr. &unr_; Bringer of morn. ] (Min.) A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, -- whence the name. [ 1913 Webster ]
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