An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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singular point
  نقطه‌ی ِ تکین  
noqte-ye takin
Fr.: point singulier  

The point M0(x0,y0) of the curve F(x,y) = 0, where at least one of the → partial derivatives ∂F/∂x and ∂F/∂y vanishes. See also → ordinary point.

See also: → singular; → point.