Definition of radium

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  • radium is a valid Scrabble US word with a point value of 9
  • radium is a valid Scrabble UK word with a point value of 9
  • radium is a valid Words with friends word with a point value of 11

Definition of radium

  • an intensely radioactive metallic element that occurs in minute amounts in uranium ores (noun)

    Synonyms

    1. atomic number 88
    2. ra

See definition of radium in Merriam Webster