An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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dichroic filter
  پالایه‌ی ِ دوفام  
pâlâye-ye dofâm (#)
Fr.: filtre dichroïque  

An → interference filter used to selectively pass light of a small range of colors while reflecting other colors.

See also: → dichroism, → filter.