An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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neutral point
  نقطه‌ی ِ نتار  
noqte-ye natâr
Fr.: point neutre  

  1. A point where two fields are equal in magnitude and opposite in direction so that the net force exerted on it is zero.

  2. One of several points in the sky for which the → degree of polarization of diffuse sky light is zero.

See also: → neutral; → point.