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Noun: radium  rey-dee-um
  1. An intensely radioactive metallic element that occurs in minute amounts in uranium ores
    - Ra, atomic number 88

Derived forms: radiums

Type of: metal, metallic element

Part of: uranium ore

Encyclopedia: Radium, CO Radium, Colorado Radium Radium, BC Radium, Minnesota Radium, and other radioactive substances Radium, KS Radium, Kansas

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