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radionuclide

American  
[rey-dee-oh-noo-klahyd, -nyoo-] / ˌreɪ di oʊˈnu klaɪd, -ˈnyu- /

noun

Physics.
  1. a radioactive nuclide.


radionuclide British  
/ ˌreɪdɪəʊˈnjuːklaɪd /

noun

  1. a nuclide that is radioactive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

radionuclide Scientific  
/ rā′dē-ō-no̅o̅klīd′ /
  1. A nuclide that exhibits radioactivity.


Etymology

Origin of radionuclide

First recorded in 1945–50; radio- + nuclide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That, combined with radionuclide results, makes a strong case for a nuclear test, the authors say.

From Science Magazine • Dec. 4, 2024

The water is treated to remove most radioactive elements except for tritium, a radionuclide difficult to separate from water, and then diluted to internationally accepted levels before being released into the ocean.

From Reuters • Sep. 6, 2023

Aeon, a major supermarket chain Aeon that has been testing cesium and iodine levels in fish, announced plans to also test for tritium, a radionuclide inseparable from water.

From Seattle Times • Aug. 25, 2023

The researchers wrote that there are “locations in New Mexico where radionuclide deposition reached levels on par with Nevada.”

From New York Times • Jul. 20, 2023

The monitoring stations at Dubna and Kirov, which ceased transmitting data on 10 August, monitor radionuclide particles in the air.

From The Guardian • Aug. 20, 2019