radionuclide

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

noun

, Physics.

1. a radioactive nuclide.

radionuclide

/ ˌreɪdɪəʊˈnjuːklaɪd /

noun

1. a nuclide that is radioactive

radionuclide

/ rā′dē-ō-no̅o̅′klīd′ /

1. A nuclide that exhibits radioactivity.

Word History and Origins

Origin of radionuclide¹

First recorded in 1945–50; radio- + nuclide

Example Sentences

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.

From Washington Post