radionuclide

[ rey-dee-oh-noo-klahyd, -nyoo- ]

/ ˌreɪ di oʊˈnu klaɪd, -ˈnyu- /

Save This Word!

noun Physics.

a radioactive nuclide.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Origin of radionuclide

First recorded in 1945–50; radio- + nuclide

Words nearby radionuclide

radiometric dating, radiomicrometer, radio microphone, radiomimetic, radionics, radionuclide, radiopager, radiopaque, radiophare, radiopharmaceutical, radiophone

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use radionuclide in a sentence

A 2019 study found that the concentration of dangerous radionuclides in the soil of some Marshall Islands was “significantly higher” than contamination resulting from the 1986 reactor accident at Chernobyl.
Experimenting with hydrogen bombs, the U.S. blew lives apart|Gregg Herken|November 5, 2021|Washington Post

British Dictionary definitions for radionuclide

radionuclide

/ (ˌreɪdɪəʊˈnjuːklaɪd) /

noun

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

Scientific definitions for radionuclide

radionuclide

[ rā′dē-ō-nōō′klīd′ ]

A nuclide that exhibits radioactivity.