Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An artificially produced radioactive element with atomic number 104 that has only been produced in trace amounts. The isotope with mass number 261 has the longest confirmed half-life (65 seconds), although isotopes with longer half-lives have been reported. cross-reference: Periodic Table.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
transuranic chemical element (symbol Rf) with anatomic number of 104 - noun obsolete A rejected name for
seaborgium
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a radioactive transuranic element which has been synthesized
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Since 104 was already rutherfordium, IUPAC renamed L04 dubnium, for the Russian team that claims it discovered that element years ago.
All In A Name 2008
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But in a fit of regionalism, Europeans running the International Union of Pure and Applied Chemistry named 106 rutherfordium, for the British father of the atom.
All In A Name 2008
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Researchers at Lawrence Berkeley National Laboratory in California saw the isotopes of rutherfordium, seaborgium, hassium, darmstadtium, and copernicium by watching the decay of the yet-to-be-named element 114, a synthetic element first produced about a decade ago.
Wired Top Stories Marissa Cevallos 2010
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This virtual web server sturdiness diploidy your rutherfordium off with hot dextrose, leader, orthodontic succory, fatalistic christ, and noiselessly.
Rational Review 2009
oroboros commented on the word rutherfordium
Rf
December 2, 2007