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plutonium

plu·to·nium

UK/pluːˈtoʊniəm/ US/pluˈtoʊniʌm/ uncommon

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

Synonyms

Phrases

  • plutonium bomb
  • plutonium dioxide
  • plutonium enrichment
  • plutonium hydride
  • plutonium pit
  • reactor-grade plutonium
  • weapon-grade plutonium

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.