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fermium

[fur-mee-uh m] /ˈfɜr mi əm/
noun, Chemistry, Physics.
1.
a transuranic element. Symbol: Fm; atomic number: 100.
Origin of fermium
1950-1955
1950-55; named after E. Fermi; see -ium
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fermium
  • The elements curium, einsteinium, and fermium were named after famous nuclear physicists.
  • The chemical properties of fermium have been studied solely with tracer amounts.
British Dictionary definitions for fermium

fermium

/ˈfɜːmɪəm/
noun
1.
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.)
Word Origin
C20: named after Enrico Fermi
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for fermium

Fermium

n.

discovered in the debris of a 1952 U.S. nuclear test in the Pacific, named 1955 for Italian-born U.S. physicist Enrico Fermi (1901-1954).

Online Etymology Dictionary, © 2010 Douglas Harper
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fermium in Medicine

fermium fer·mi·um (fûr'mē-əm, fěr'-)
n.
Symbol Fm
A synthetic radioactive metallic element whose most stable isotope is Fm 257 with a half-life of [approx] 100 days. Atomic number 100.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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fermium in Science
fermium
  (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 is Fm 257 with a half-life of approximately 100 days. Atomic number 100. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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