An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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cardinal point
  نقطه‌ی ِ اگرا  
noqte-ye agrâ
Fr.: point cardinal  

One of the four points where the → meridian and the → prime vertical intersect the → horizon. See also: → cardinal direction.

See also: → cardinal; → point.