uranin

Uranin

U"ra*nin\, n. (Chem.) 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.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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