radioisotope
a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
Origin of radioisotope
1Other words from radioisotope
- ra·di·o·i·so·top·ic [rey-dee-oh-ahy-suh-top-ik], /ˌreɪ di oʊˌaɪ səˈtɒp ɪk/, adjective
Words Nearby radioisotope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use radioisotope in a sentence
radioisotope analysis also shows it is likely more than 100,000 years old, though the findings are not yet peer-reviewed.
This ancient mammoth tusk was found at the bottom of the Pacific | Hannah Seo | November 24, 2021 | Popular-ScienceOne of the biggest would be maintaining its power source—an array of radioisotope thermoelectric generators, or what amount to nuclear batteries—on such a long journey.
British Dictionary definitions for radioisotope
/ (ˌreɪdɪəʊˈaɪsətəʊp) /
an isotope that is radioactive
Derived forms of radioisotope
- radioisotopic (ˌreɪdɪəʊˌaɪsəˈtɒpɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for 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.
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