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Definition of Fermium in English :

Define Fermium in English

Fermium meaning in English

Meaning of Fermium in English

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Fermium pronunciation in English

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Fermium

see synonyms of fermium

Noun

1. atomic number 100, fermium, fm

a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

WordNet Lexical Database for English. Princeton University. 2010.

Fermium

see synonyms of fermium
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.)

Collins English Dictionary. Copyright © HarperCollins Publishers

Fermium

see synonyms of fermium
noun
a radioactive, metallic chemical element, one of the actinides, produced by intense neutron bombardment of plutonium, as in a cyclotron: symbol, Fm; at. no., 100
see the periodic table of elements in the Reference Supplement

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Fermium

see synonyms of fermium
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.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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