Definition of URANIUM. Meaning of URANIUM. Synonyms of URANIUM
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Definition of URANIUM
Uranium Uranium U*ra"ni*um, n. [NL., from Uranus the planet. See
Uranus.] (Chem.)
An element of the chromium group, found in certain rare
minerals, as pitchblende, uranite, etc., and reduced as a
heavy, hard, nickel-white metal which is quite permanent. Its
yellow oxide is used to impart to glass a delicate
greenish-yellow tint which is accompanied by a strong
fluorescence, and its black oxide is used as a pigment in
porcelain painting. Symbol U. Atomic weight 239.