An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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nucleosynthetic era
  دوران ِ هسته‌هندایش  
dowrân-e haste-handâyi
Fr.: ère nucléosynthétique  

The era following the leptonic era, between 1 second and 1000 seconds after the Big Bang, when neutrons were abundant and helium and deuterium were synthesized.

See also: → nucleosynthetic; → era.