Uranin
Pronunciation : U"ra*nin
Part of Speech : n.
Definition : Defn: 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.
(Chem.)
Source : Webster's Unabridged Dictionary, 1913