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fermium

noun
/ˈfɜːmiəm/
/ˈfɜːrmiəm/
[uncountable]
(symbol Fm)
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  1. a chemical element. Fermium is a very rare radioactive metal.镄(罕有的放射性化学元素)
    Word Origin1950s: from the name of E. Fermi (1901-1954), Italian-born American atomic physicist + -ium.

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