Pronunciation · Spelling · Definition
How to say: plutonium
Spelling:
Plutonium
Syllables
plutonium
US accent
/pluːtˈoʊniəm/
UK accent
/pluːtˈəʊniəm/
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Definition
Definition — 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