An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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parabolic mirror
  آینه‌ی ِ سهمی  
âyene-ye sahmi (#)
Fr.: miroir parabolique  

A concave mirror that has the form of a paraboloid of revolution.

See also: → parabolic; → mirror.