IPA: /ˌkɒzməˈdʒɛnɪk/
KK: /kɑːzməˈdʒɛnɪk/
Relating to or produced by cosmic rays, which are high-energy particles from outer space that can affect various processes on Earth.
The cosmogenic isotopes found in the rock samples provide valuable information about the history of cosmic radiation on Earth.
Cosmogenic is formed from "cosmo-" (from Greek "kosmos", meaning universe or world) and "-genic" (from Greek "genes", meaning born of or produced by). The word cosmogenic refers to something that is produced by or originating from the universe.
Think of 'cosmos' as the universe and '-genic' meaning produced by — cosmogenic describes something that comes from the universe.