Definition of radionuclide in English:

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Pronunciation: /ˌrādēōˈn(y)o͞oˌklīd/


A radioactive nuclide.
Example sentences
  • Alpha emitting radionuclides emit alpha particles, each consisting of 2 protons and 2 neutrons.
  • This is a partial list of radionuclides that decay by positron emission and have been used in biomedical imaging studies.
  • Gamma radiation from medically useful radionuclides is substantially attenuated by 1 to 2 inches of lead.

For editors and proofreaders

Syllabification: ra·di·o·nu·clide

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