An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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splitting of energy level
  فاقش ِ تراز ِ کاروژ  
fâqeš-e tarâz-e kâruž
Fr.: dédoublement d'un niveau d'énergie  

The splitting of a single atomic level into a group of closely spaced levels when the substance producing the single line is subjected to a uniform magnetic field. → Zeeman effect; → Stark effect.

See also: → spliting; → energy level.