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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.
(Astronomy) astronomy the formation of heavier elements from lighter elements by nuclear fusion in stars
nu•cle•o•syn•the•sis(ˌnu kli oʊˈsɪn θə sɪs, ˌnyu-)
the formation of new atomic nuclei by nuclear reactions, as in stellar evolution.
nu`cle•o•syn•thet′ic (-ˈθɛt ɪk) adj.
The synthesis of heavier chemical elements from hydrogen nuclei in the interior of a star.
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|Noun||1.||nucleosynthesis - (astronomy) the cosmic synthesis of atoms more complex than the hydrogen atom|
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
synthesis - the process of producing a chemical compound (usually by the union of simpler chemical compounds)