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cosmogenic

adjective
cos·​mo·​gen·​ic | \ ˌkäz-mə-ˈje-nik How to pronounce cosmogenic (audio) \

Definition of cosmogenic

: produced by the action of cosmic rays cosmogenic carbon 14

Examples of cosmogenic in a Sentence

Recent Examples on the Web

 Carbon-14, the isotope that archeologists use in radioactive dating, is cosmogenic—continuously created in Earth’s uppermost atmosphere by cosmic-ray collisions. — Adam Davidson, The New Yorker, "Earth’s Mysterious Magnetic Field, Stored in a Jar," 13 Feb. 2017

First Known Use of cosmogenic

1962, in the meaning defined above

History and Etymology for cosmogenic

cosmic ray + -o- + -genic

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