radioisotope
[ rey-dee-oh-ahy-suh-tohp ]
/ ˌreɪ di oʊˈaɪ səˌtoʊp /
noun
a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
Nearby words
Related formsra·di·o·i·so·top·ic [rey-dee-oh-ahy-suh-top-ik] /ˌreɪ di oʊˌaɪ səˈtɒp ɪk/, adjective
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for radioisotope
radioisotope
/ (ˌreɪdɪəʊˈaɪsətəʊp) /
noun
an isotope that is radioactive
Derived Formsradioisotopic (ˌreɪdɪəʊˌaɪsəˈtɒpɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for radioisotope
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for radioisotope
radioisotope
[ rā′dē-ō-ī′sə-tōp′ ]
n.
A naturally or artificially produced radioactive isotope.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for radioisotope
radioisotope
[ rā′dē-ō-ī′sə-tōp′ ]
A radioactive isotope of a chemical element. Carbon 14 and radon 222 are examples of naturally occurring radioactive isotopes.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.