Definition of nucleosynthesis in English:

Share this entry


Pronunciation: /ˌnjʊːklɪəʊˈsɪnθɪsɪs/


[mass noun] Astronomy
The cosmic formation of atoms more complex than the hydrogen atom.
Example sentences
  • They more or less figured out the whole story, including predictions for primordial nucleosynthesis and the cosmic microwave background.
  • Before nucleosynthesis begins, protons and neutrons are continually interconverting by means of weak nuclear interactions (the nuclear interactions are described in more detail a bit later on).
  • Physicists call this process nucleosynthesis, and it had to occur before the structures we observed today, such as atoms and molecules, could exist.



Pronunciation: /ˌnjʊːklɪəʊsɪnˈθɛtɪk/
Example sentences
  • Slightly elevated relative abundances of the heavy metals osmium through bismuth are related to their nuclear stability and nucleosynthetic processes, as are other second-order features of the abundance curve.
  • They proposed eight main nucleosynthetic processes in star interiors, all starting from hydrogen.

For editors and proofreaders

Line breaks: nu¦cleo|syn¦thesis

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.