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 (rā′dē-ō-no͞o′klīd′, -nyo͞o′-)
A radioactive nuclide, especially one used within the body for diagnostic or therapeutic purposes.
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) a nuclide that is radioactive
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌreɪ di oʊˈnu klaɪd, -ˈnyu-)

a radioactive nuclide.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


n radionúclido
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
[check] Patients showing no excretion of dye on IVU were advised radio-isotope renal scan.
Having fallen ill with a mutated virus, Ross is implanted with ERIC-D, an experimental, radio-isotope fueled pacemaker.
Especially dangerous are reactor holds of nuclear submarines off the Novaya Zemlya Archipelago and a radio-isotope power units sunk near Sakhalin Island, he added.
The equilibrium conditions will provide representative samples for radio-isotope deportment studies, for which ANSTO has been contracted.
A PET scan using a particular radio-isotope has been shown to have some sensitivity in differentiating PD from other rarer forms of movement disorders; but this test is not done routinely due to the cost involved and the fact that clinical examination and follow-up sometimes give the same information.
Temporal and Dietary Reconstruction in Past Aleut Populations: Stable- and Radio-Isotope Evidence Revisited.
The five-year-old underwent scintigraphy - a diagnostic technique using the injection of a radio-isotope - at the end of last month, having returned sore from Meydan after failing to act on the Tapeta surface.
Salahuddin Amin, 31, had details passed to him about a "radio-isotope bomb" while he was in Pakistan, the Old Bailey was told.
Salahuddin Amin, 31, from Luton, Bedfordshire, had information passed to him about a "radio-isotope bomb" while he was in Pakistan, the court was told.
A bone scan involves the use of an intravenous radio-isotope and can also help rule out other possible causes of groin pain.
His study of both stalactites (which grow from the ceiling) and stalagmites (which grow from the ground) combined with radio-isotope dating, have revealed the cave's movement over the course of the Earth's natural history.

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