Element
uranium Audio
u·ra·ni·um [ yoo-rey-nee-uhm ]
More Information:
ChemID; DailyMed; PDR
Definitions related to uranium:
  • A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A radioactive element with atomic symbol U, atomic number 92, and atomic weight 238.
    NCI
    U.S. National Cancer Institute, 2021
  • Hard and heavy radioactive metallic element, atomic symbol U, atomic number 92.
    CRISP Thesaurus
    National Institutes of Health, 2006
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