1. plutonium

noun. (pluːˈtoʊniːəm) 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
chemical element Pu plutonium 239 element atomic number 94
Antonyms
software curve
Etymology
plutonium (English)
Pluto (Malay (macrolanguage))
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