An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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ultraviolet (UV)
  فرابنفش، اولتر-بنفش  
farâ-banafš, ultar-banafš
Fr.: ultraviolet  

The part of the electromagnetic radiation beyond the violet end of the visible spectrum with wavelengths approximately in the range 50 Å to 4,000 Å. → extreme ultraviolet; → far ultraviolet.

See also: → ultra-; → violet.