Definition of nucleochronology in English:

nucleochronology

noun

Astronomy
  • The study of relative abundances of nuclear species as a means of dating stages in stellar nucleosynthesis. Also: a series of nuclear species arranged in the supposed chronological order of their synthesis within a star, etc.

Origin

1970s; earliest use found in Astrophysical Journal. From nucleo- + chronology.

Pronunciation

nucleochronology

/ˌnjuːklɪəʊkrəˈnɒlədʒi/