[1] : The Collaborative International Dictionary of English v.0.48

uranium \ura"nium\, 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.
   1913 webster

   note: uranium was discovered in the state of an oxide by
         klaproth in 1789, and so named in honor of herschel's
         discovery of the planet uranus in 1781.
         1913 webster uran-ocher
see also:
uranus 

[2] : WordNet (r) 2.0

uranium
     n : a heavy toxic silvery-white radioactive metallic element;
         occurs in many isotopes; used for nuclear fuels and
         nuclear weapons syn: u, atomic number 92
see also:
u atomic number 92 

[3] : Elements database 20001107

uranium
symbol: u
atomic number: 92
atomic weight: 231
white radioactive metallic element belonging to the actinoids. three
natural isotopes, u-238, u-235 and u-234. uranium-235 is used as the fuel
for nuclear reactors and weapons. discovered by martin h. klaproth in 1789.

Uranium >> U Words
Uranium, definition of term: Uranium
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