from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a geometric shape constituting a transition between a rectangle and a circle; a closed curve, of which the circle and ellipse are special cases, whose parametric equation is x = a.cos2/rt, y = b.cos2/rt


super- +‎ ellipse (Wiktionary)


  • Arbel and Hunt also created a wavy superellipse (squared circle) design for the Paralympics.

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