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Definition of Isotopic

Isotopic: Referring to an isotope, a form of a chemical element with the same atomic number as another element but having a different atomic mass. From the Greek "iso-", equal, the same + "topos", place.

Isotopes are used in a number of medical tests.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=10191
Last Editorial Review: 6/14/2012

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