radionuclide

noun

ra·​dio·​nu·​clide ˌrā-dē-ō-ˈnü-ˌklīd How to pronounce radionuclide (audio)
-ˈnyü-
: a radioactive nuclide

Examples of radionuclide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The team’s next steps include testing the new nuclear reaction measurement approach with other radionuclides. Prabhat Ranjan Mishra, Interesting Engineering, 9 Jan. 2026 Its International Monitoring System uses a network of more than 300 seismic, hydroacoustic, infrasound, and radionuclide stations to detect possible nuclear explosions worldwide. Joshua Rhett Miller, MSNBC Newsweek, 30 Oct. 2025 In August, the FDA announced four recalls (one of which was updated on Friday, Aug. 29, to include best-by dates) for frozen shrimp due to potential radionuclide (Cesium-137) contamination. Marina Johnson, Louisville Courier Journal, 8 Sep. 2025 In that case, radionuclides would have been spewed over a wide area, possibly including Tokyo. Elizabeth Kolbert, New Yorker, 7 Apr. 2025 See All Example Sentences for radionuclide

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of radionuclide was in 1947

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Cite this Entry

“Radionuclide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radionuclide. Accessed 14 Jan. 2026.

Medical Definition

radionuclide

noun
ra·​dio·​nu·​clide -ˈn(y)ü-ˌklīd How to pronounce radionuclide (audio)
: a radioactive nuclide
Last Updated: - Updated example sentences
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