Ellipse
[n] a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it; "the sums of the distances from the foci to any point on an ellipse is constant"
Related Information
Related Terms
arc, bow, catacaustic, catenary, caustic, circle, conchoid, crook, curl, curve, diacaustic, festoon, hook, hyperbola, lituus, oval, ovoid, ovule, parabola, sinus, tracery