An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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center of attraction
  مرکز ِ درکشش  
markaz-e darkašeš
Fr.: centre d'attraction  

A point toward which a force on a body is always directed.

See also: → center; → attraction.