eosin , eosine
1 (Also called)
bromeosin a red crystalline water-insoluble derivative of fluorescein. Its soluble salts are used as dyes. Formula: C20H8Br4O5
2 any of several similar dyes (C19: from Greek eos dawn + -in; referring to the colour it gives to silk)
n (Chem) another name for →
(C20: from bromo- + eosin)
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