An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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thermal excitation
  بر‌انگیزش ِ گرمایی  
barangizeš-e garmâyi
Fr.: excitation thermique  

A process in which collisions that occur between particles cause atoms or molecules to obtain additional kinetic energy.

See also: → thermal; → excitation.