ra·​dio·​gen·​ic ˌrā-dē-ō-ˈje-nik How to pronounce radiogenic (audio)
: produced by or determined from radioactivity
radiogenic isotopes
radiogenic tumors

Example Sentences

Recent Examples on the Web Partial radiogenic heat model for Earth revealed by geoneutrino measurements. Joseph Castro, Discover Magazine, 21 July 2011 Mojzsis says another big unknown is planet formation, a complicated process that can lead to variations in a world’s reservoirs of radiogenic elements and internal heat. Marcus Woo, Scientific American, 17 Nov. 2020 In the early years of the energy employees’ compensation program, more than a dozen workers, like Somerville, tested positive for beryllium sensitization and later developed the full-blown disease and radiogenic cancers, Pompa said. Yamil Berard, star-telegram, 12 Dec. 2015 The fate of high-angle dipping slabs in the subduction factory: an integrated trace element and radiogenic isotope (U, Th, Sr, Nd, Pb) study of Stromboli Volcano, Aeolian Arc, Italy. Erik Klemetti, WIRED, 20 Aug. 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiogenic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of radiogenic was in 1930

Dictionary Entries Near radiogenic

Cite this Entry

“Radiogenic.” Dictionary, Merriam-Webster, Accessed 5 Feb. 2023.

Medical Definition


ra·​dio·​gen·​ic ˌrād-ē-ō-ˈjen-ik How to pronounce radiogenic (audio)
: produced or caused by radioactivity
radiogenic isotopes
radiogenic cancer
Last Updated: - Updated example sentences
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