An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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electromagnetic spectrum
  بیناب ِ برقامغناتی  
binâb-e barqâmeqnâti
Fr.: spectre électromagnétique  

The range of frequencies over which electromagnetic waves are propagated. → electromagnetic radiation.

See also: → electromagnetic; → spectrum.