Synonyms of PLUTONIUMS

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

   • PLUTONIUM13

   Also: atomic number 94.

   Not playable in Scrabble US: PU.