from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. Uranium dioxide.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several impure mixtures of uranium oxides


New Latin Å«rania, from uranium.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • During his 35-year career, Besmann has developed widely used thermochemical models that accurately predict the behavior of urania and mixed oxide fuels, which are now used in the majority of today's nuclear power plant reactors.

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