An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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hierarchical clustering
  خوشه‌بندی ِ پایگانی  
xušé bandi-ye pâygâni
Fr.: groupement hiérarchique  

A model in which a system of self-gravitating particles will gradually aggregate into larger and larger gravitationally bound groups and clusters.

See also: → hierarchical; → clustering.