An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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alpha emission
  گسیل ِ آلفا  
gosil-e âlfâ
Fr.: émission alpha  

The release of → alpha particles at high velocity from an atom’s nucleus as it undergoes radioactive transformation.

See also: → alpha; → emission.