americium
am·er·i·ci·um
noun \ˌa-mə-ˈri-shē-əm, -sē-\Definition of AMERICIUM
: a radioactive metallic element produced artificially by bombarding plutonium with high-energy neutrons — see element table
See Origin of AMERICIUM
New Latin, from America + New Latin -ium
First Known Use: 1946
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