Fluorescein Definition

flo͝o-rĕsē-ĭn, flô-, flō-
noun
A yellowish-red, crystalline compound, C20H12O5, made synthetically from resorcinol and phthalic anhydride: a dilute alkaline solution appears green by reflected light and red by transmitted light: used as a textile dye, a liquid coloring, and, in medicine, an intravenous diagnostic aid.
Webster's New World

(chemistry) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations.

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Other Word Forms of Fluorescein

Noun

Singular:
fluorescein
Plural:
fluoresceins

Origin of Fluorescein

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fluorescein