Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun One of two or more atoms having the same atomic number but different mass numbers.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics Any of two or more forms of an
element where theatoms have the same number ofprotons , but a different number ofneutrons within theirnuclei . As aconsequence , atoms for the same isotope will have the sameatomic number but a differentmass number (atomic weight ). - verb topology, transitive To define or demonstrate an
isotopy of (onemap with another).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun one of two or more atoms with the same atomic number but with different numbers of neutrons
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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In helium that occurs naturally the heavier isotope is more frequent than the lighter one by a factor of about 10 million.
The Nobel Prize in Physics 2003 - Information for the Public 2003
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The U-235 isotope is the all-important factor making uranium an effective fuel for electric generating plants.
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This occurs in nature, although rarely; among 12,500 ordinary oxygen atoms, one oxygen isotope is found.
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As we have said, during the irradiation of heavy elements by neutrons, the neutrons are captured and incorporated in the nucleus, and an isotope is thus formed of the primary substance, and this isotope is radioactive.
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If the government doesn't accept the recommendation to build a new reactor, the other options to secure a long-term isotope supply will have to be revisited, the report said.
Dose.ca Music briefs 2009
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The primary by-product of enrichment is depleted uranium (DU), principally the U-238 isotope, which is stored either as UF6 or U3O8.
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The half-life of an isotope is the amount of time it takes for half of its atoms to decay.
Egonomics David Marcum 2007
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The isotope, which is extremely hazardous, was en route to
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We look forward to working with the Government to create a solution to Canada's long term isotope needs, "comments Lloyd Scott, President of Iotron Industries.
THE MEDICAL NEWS 2009
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We look forward to working with the Government to create a solution to Canada's long term isotope needs, "comments Lloyd Scott, President of Iotron Industries.
THE MEDICAL NEWS 2009
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