radionuclide

noun
ra·​dio·​nu·​clide | \ˌrā-dē-ō-ˈnü-ˌklīd, -ˈnyü-\

Definition of radionuclide 

: a radioactive nuclide

Examples of radionuclide in a Sentence

Recent Examples on the Web

His death was ultimately attributed to drinking tea poisoned with radionuclide polonium-210. Fox News, "Poisoned Russian ex-spy, daughter have slim chance of surviving, niece says," 2 Oct. 2018 His death was ultimately attributed to drinking tea poisoned with radionuclide polonium-210. Fox News, "Poisoned Russian ex-spy, daughter have slim chance of surviving, niece says," 2 Oct. 2018 Map of radionuclide monitoring stations part of the CTBTO's International Monitoring System. Kyle Mizokami, Popular Mechanics, "Report Says European Mystery Radiation Isn't Real. That Isn't Stopping an Air Force Investigation.," 22 Feb. 2017 Cobb explained that in the aftermath of this, the ongoing risk posed by radionuclides (notably, iodine-131 and cesium isotopes 134 and 137) depended on their half-lives. William Steel, Ars Technica, "Remediating Fukushima—“When everything goes to hell, you go back to basics”," 11 May 2018 At Hanford, the Energy Department does undertake environmental monitoring to measure radionuclide concentrations in the air, water, soils, fish and wildlife. Hal Bernton, The Seattle Times, "Study: Traces of radioactive contamination found in homes of six Hanford workers," 14 June 2018 Three reactor cores melted down, releasing radionuclides into the air and, ultimately, the groundwater. Allen Pierleoni, latimes.com, "William T. Vollmann turns his mammoth talents to climate change," 11 May 2018 There are also 69 radionuclide stations that stand ready to catch any radioactive particles that float by as a result of nuclear tests or accidents. Rachel Becker, The Verge, "Meet the scientists keeping a global watch for nuclear explosions," 9 May 2018 Other radionuclides will perhaps remain in the region forever. Serhii Plokhy, Time, "The True Cost of the Chernobyl Disaster Has Been Greater Than It Seems," 26 Apr. 2018

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.

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First Known Use of radionuclide

1947, in the meaning defined above

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8 Dec 2018

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The first known use of radionuclide was in 1947

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More Definitions for radionuclide

radionuclide

noun
ra·​dio·​nu·​clide | \-ˈn(y)ü-ˌklīd \

Medical Definition of radionuclide 

: a radioactive nuclide

Comments on radionuclide

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