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Webster 1913 Edition


Uranin

U′ra-nin

,
Noun.
(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
.

Definition 2024


uranin

uranin

English

Noun

uranin (uncountable)

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