nucleosynthetic


nu·cle·o·syn·the·sis

N0188000 (no͞o′klē-ō-sĭn′thĭ-sĭs, nyo͞o′-)n. The process by which heavier chemical elements are synthesized from lighter atomic nuclei in the interiors of stars, during supernova explosions, and in the early stages of the universe.
nu′cle·o·syn·thet′ic (-sĭn-thĕt′ĭk) adj.

nucleosynthetic

(ˌnjuːklɪəʊsɪnˈθɛtɪk) adj (Astronomy) astronomy relating to nucleosynthesis