An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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photoexcitation
  شید-بر‌انگیزش  
šid-barangizeš
Fr.: photoexcitation  

The mechanism of raising an electron to higher energies by photon absorption, when the energy of the photon is too low to cause photoionization.

See also: → photo- + → excitation.