radionuclide

[ rey-dee-oh-noo-klahyd, -nyoo- ]
/ ˌreɪ di oʊˈnu klaɪd, -ˈnyu- /

noun Physics.

a radioactive nuclide.

Nearby words

  1. radiomicrometer,
  2. radiomimetic,
  3. radionecrosis,
  4. radioneuritis,
  5. radionics,
  6. radiopacity,
  7. radiopager,
  8. radiopaque,
  9. radiopathology,
  10. radiopelvimetry

Origin of radionuclide

First recorded in 1945–50; radio- + nuclide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for radionuclide

radionuclide

/ (ˌreɪdɪəʊˈnjuːklaɪd) /

noun

a nuclide that is radioactive
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

Medicine definitions for radionuclide

radionuclide

[ rā′dē-ō-nōōklīd′ ]

n.

A nuclide that has artificial or natural origin and that exhibits radioactivity.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for radionuclide

radionuclide

[ rā′dē-ō-nōōklīd′ ]

A nuclide that exhibits radioactivity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.