isotopically - 2 dictionary results
i⋅so⋅tope
[ahy-suh-tohp] 
səˌtoʊp
–noun Chemistry.
| any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties. |
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Cite This Source
| i·so·tope
(ī'sə-tōp') Pronunciation Key
n. One of two or more atoms having the same atomic number but different mass numbers. [iso- + Greek topos, place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements).] i'so·top'ic (-tŏp'ĭk) adj., i'so·top'i·cal·ly adv. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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