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uranin |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}.
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