An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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narrow-line region
  ناحیه‌ی ِ باریک-خط  
nâhiye-ye bârik-xatt
Fr.: région à raies étroites  

The outer region of a → quasar or an → active galactic nucleus displaying narrow spectral lines. Also called Type II AGN. See also → obscuring torus.

See also: → narrow; → line; → region.