An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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chromatic aberration
  بیراهش ِ رنگی  
birâheš-e rangi
Fr.: aberration chromatique  

A defect in a lens that causes it to concentrate the various colors in a beam of light at various point, thus producing color fringes.

See also: → chromatic; → aberration.