Definition of plutonium

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  • plutonium is a valid Scrabble US word with a point value of 13
  • plutonium is a valid Scrabble UK word with a point value of 13
  • plutonium is a valid Words with friends word with a point value of 19

Definition of plutonium

  • a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 (noun)

    Synonyms

    1. atomic number 94
    2. pu

See definition of plutonium in Merriam Webster