from The Century Dictionary.
- noun Same as
pitchblendeor uraninite. See uraninite.
- noun The trade-name of the sodium salt of fluorescein or methylfluorescein, the solution of which in water exhibits a magnificent yellowish-green fluorescence like that of uranium glass. The name is also applied to the sodium salt of benzylfluorescein, used as a dyestuff, which is also known as chrysolin.
from the GNU version of the Collaborative International Dictionary of English.
- 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
uraniumglass) of its solutions. See fluorescein.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry An
alkaline saltof fluorescein, used as a brownish-red dye.
from Wiktionary, Creative Commons Attribution/Share-Alike License
uranium + -in, from its yellowish-green fluorescence, resembling that of uranium glass.
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