An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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smooth curve
  خم ِ هموار  
xam-e hamvâr
Fr.: courbe lisse  

  1. A curve which is free from abrupt fluctuations.

  2. A curve if it has tangents at all points and the angle of inclination of the tangent is a continuous function of the arc length.

See also: → smooth; → curve.