fermium


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fer·mi·um

 (fûr′mē-əm, fĕr′-)
n. Symbol Fm
A synthetic transuranic metallic element having over 20 isotopes and isomers with mass numbers ranging from 242 to 260. The longest-lived isotope has mass number 257 and a half-life of approximately 100 days. Atomic number 100; melting point 1527°C; valence 3. See Periodic Table.

[After Enrico Fermi.]

fermium

(ˈfɜːmɪəm)
n
(Nuclear Physics) 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.)
[C20: named after Enrico Fermi]

fer•mi•um

(ˈfɜr mi əm, ˈfɛər-)

n.
a transuranic element, artificially produced from plutonium or uranium. Symbol: Fm; at. no.: 100.
[1950–55; after E. Fermi; see -ium2]

fer·mi·um

(fûr′mē-əm)
Symbol Fm A synthetic, radioactive metallic element of the actinide series that is produced from plutonium or uranium. Its most stable isotope has a half-life of about 100 days. Atomic number 100. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fermium - a radioactive transuranic metallic element produced by bombarding plutonium with neutronsfermium - a radioactive transuranic metallic element produced by bombarding plutonium with neutrons
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Translations
фермий
fermium
fermium
fermio
fermium
fermium
fermium
fermij
fermium
fermín
フェルミウム
fermium
fermis
fermium
ferm
férmio
fermium
fermij
fermium
fermiyum

fermium

[ˈfɜːmɪəm] Nfermio m
References in periodicals archive ?
The tongue is stabilized with hemostat and the fermium is revised.
The team studied less than 2 billionths of a gram of fermium painstakingly produced by Oak Ridge (Tenn.
The compilations contains K- and L x-ray transition and absorption edge energies for all of the elements from neon to fermium and includes carefully selected and evaluated experimental data and trusted estimates obtained from state-of-the-art theoretical procedures.