An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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electromagnetic radiation
  تابش ِ برقامغناتی  
tâbeš-e barqâmeqnâti
Fr.: rayonnement électromagnétique  

Radiation propagating in the form of an advancing wave in electric and magnetic fields. It includes radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

See also: → electromagnetic; → radiation.