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Noun: lemniscate  lem'ni-skut
  1. (geometry) any of several plane algebraic curves in the shape of a figure eight
     
  2. A curve in the form of the figure 8, with both parts symmetrical, generated by the point in which a tangent to an equilateral hyperbola meets the perpendicular on it drawn from the centre

Derived forms: lemniscates

Type of: curve, curved shape

Encyclopedia: Lemniscate