radionuclide

noun

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

Example Sentences

Recent Examples on the Web Rat snakes were used to gauge post-Fukushima radionuclide levels in the Abukuma Highlands, and hedgehogs with transmitter backpacks were found hibernating at unexpectedly high altitudes. Rafil Kroll-zaidi, Harper's Magazine, 28 Sep. 2021 And that exposure estimate could vary wildly depending on the planet’s age, radionuclide abundance, and mass. Katherine Kornei, Science | AAAS, 1 Apr. 2020 Could a single planet amass such a large stockpile of radionuclides? Katherine Kornei, Science | AAAS, 1 Apr. 2020 The latest samples, each of which was tested twice using different methods to detect the radionuclide, topped out at 2.9 picocuries per gram of soil. John Aguilar, The Denver Post, 3 Oct. 2019 Engineering Analytics will specifically be measuring for plutonium, americium and uranium and seeing whether levels of the radionuclides are a hazard to human health. John Aguilar, The Denver Post, 2 July 2019 These are backed up by 16 radionuclide laboratories that provide independent analysis. Kyle Mizokami, Popular Mechanics, 22 Feb. 2017 His death was ultimately attributed to drinking tea poisoned with radionuclide polonium-210. Fox News, 2 Oct. 2018 His death was ultimately attributed to drinking tea poisoned with radionuclide polonium-210. Fox News, 2 Oct. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radionuclide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of radionuclide was in 1947

Dictionary Entries Near radionuclide

Cite this Entry

“Radionuclide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radionuclide. Accessed 30 Mar. 2023.

Medical Definition

radionuclide

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