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A naturally or artificially produced radioactive isotope of an element.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Nuclear Physics) an isotope that is radioactive
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ra•di•o•i•so•tope(ˌreɪ di oʊˈaɪ səˌtoʊp)
a radioactive isotope, usu. artificially produced: used in physical and biological research and therapeutics.
ra`di•o•i`so•top′ic (-ˈtɒp ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A radioactive isotope of a chemical element.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An isotope that is radioactive.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||radioisotope - a radioactive isotope of an element; produced either naturally or artificially|
tracer - (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons
label - a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
iodine-131 - heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter
iodine-125 - light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
radioisotope[ˈreɪdɪəʊˈaɪsətəʊp] N → radioisótopo m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
radioisotope[ˌreɪdɪəʊˈaɪsətəʊp] n → radioisotopo
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. radioisótopo, isótopo radioactivo.
English-Spanish Medical Dictionary © Farlex 2012
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.