fermium

noun
fer·​mi·​um | \ ˈfer-mē-əm How to pronounce fermium (audio) , ˈfər- How to pronounce fermium (audio) \

Definition of fermium

: a radioactive metallic element produced artificially (as by bombardment of plutonium with neutrons) — see Chemical Elements Table

First Known Use of fermium

1955, in the meaning defined above

History and Etymology for fermium

Enrico Fermi

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More Definitions for fermium

fermium

noun
fer·​mi·​um | \ ˈfer-mē-əm How to pronounce fermium (audio) , ˈfər- How to pronounce fermium (audio) \

Medical Definition of fermium

: a radioactive metallic element artificially produced (as by bombardment of plutonium with neutrons) symbol Fm — see Chemical Elements Table