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fermium
[ fur-mee-uhm ]
noun
, Chemistry, Physics.
- a transuranic element. : Fm; : 100.
fermium
/ ˈfɜːmɪəm /
noun
- a transuranic element artificially produced by neutron bombardment of plutonium. Symbol: Fm; atomic no: 100; half-life of most stable isotope, 257Fm: 80 days (approx.)
fermium
/ fûr′mē-əm /
- A synthetic, radioactive metallic element of the actinide series that is produced from plutonium or uranium. Its most stable isotope is Fm 257 with a half-life of approximately 100 days. Atomic number 100.
- See Periodic Table
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Word History and Origins
Origin of fermium1
C20: named after Enrico Fermi
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Example Sentences
Even after that it could be stopped, provided one had a way to get rid of the violently fissioning fermium.
From Project Gutenberg
He should have known automatically that it was building toward Fermium 256.
From Project Gutenberg
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