URANIN

Etymology

Noun

uranin (uncountable)

(chemistry) An alkaline salt of fluorescein, used as a brownish-red dye.

Source: Wiktionary

U"ra*nin, n. (Chem.)

Definition: An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.

Source: Webster’s Unabridged Dictionary 1913 Edition

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