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.
Researchers from Peking University, the University of Cambridge, and partner institutions highlighted that glass is often used to immobilize contaminants such as radionuclides and heavy metals, locking them safely inside a stable structure. Prabhat Ranjan Mishra, Interesting Engineering, 16 Oct. 2025 Removing plutonium and other troublesome radionuclides can cut decay heat and reduce high-level waste volume by a factor of five. Kathryn Huff, MSNBC Newsweek, 6 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 23 Oct. 2025.

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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