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Pronunciation: flor-es'e-in

Definition: An orange-red crystalline powder that yields a bright green fluorescence in solution and is reduced to fluorescin; a nontoxic, water-soluble indicator used diagnostically to trace water flow.

Synonym(s): resorcinol phthalic anhydride, resorcinolphthalein

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.