An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



X-ray Dissociation Region (XDR)
  ناحیه‌ی ِ واهزش ِ پرتوهای ِ ایکس  
nâhiye-ye vâhazeš-e partowhâ-ye X
Fr.: région de dissociation par rayons X  

A region of → molecular clouds whose chemistry is affected by → X-rays from neighboring sources.

See also:X-ray; → dissociation; → region.