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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.

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

In addition to the casks themselves, the bentonite surrounding them will also prevent radionuclide escape, regulators say.

From Science Magazine • Feb. 23, 2022

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

In a section on nuclear power, he describes how biologists, after the Chernobyl disaster, found that certain Mediterranean shrimp species had extraordinarily high concentrations of the radionuclide polonium 210 in some organs.

From New York Times • Jul. 16, 2011