S-process

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    the relatively slow nucleosynthesis process, in giant stars, in which neutron capture synthesizes elements up to atomic mass number 210 (at which point alpha decay becomes a deterrent to further building).

Etymology

The s stands for slow.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.