An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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slow neutron
  نوترون ِ آهسته  
notron-e âhesté (#)
Fr.: neutron lent  

A neutron whose kinetic energy does not exceed about 10 electron-volts. Also called → thermal neutron.

See also: → slow; → neutron.