An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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disk truncation
  کل‌کرد ِ دیسک، ~ گرده  
kolkard-e disk, ~ gerdé
Fr.: troncature de disque  

In models of magnetized → accretion disks, the process whereby the disk is disrupted at a radius where the → magnetic pressure overcomes the → ram pressure of the accreted material. This occurs at a distance typically 3-7 stellar radii, below the → corotation radius.

See also: → disk; → truncation.