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Meaning & Definition of Plutonium in English

English

Plutonium

/plutoʊniəm/

noun

1. 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
synonym:
  • plutonium,
  • Pu,
  • atomic number 94