Adjective
nucleosynthetic (not comparable)
Of or pertaining to nucleosynthesis
Hence 53 Cr provides additional evidence for nucleosynthetic processes immediately before coalescence of the solar system. citation The isotopes of chromium range in atomic mass from 43 ( 43 Cr) to 67 u ( 67 Cr). Source: Internet
The discoverers suggest that the coalescence and differentiation of iron-cored small planets may have occurred 10 million years after a nucleosynthetic event. Source: Internet