berkelium
noun
berke·li·um ˈbər-klē-əm 
: a radioactive metallic element produced artificially (as by bombarding americium 241 with alpha particles) see Chemical Elements Table
Word History
Etymology
New Latin, from Berkeley, California
First Known Use
1950, in the meaning defined above
Medical Definition
berkelium
noun
berke·li·um ˈbər-klē-əm
: a radioactive metallic element produced by bombarding americium 241 with helium ions —symbol Bk see Chemical Elements Table
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