Ellipse

n. oval, elongated circle, egg-like shape

"Elliptical" redirects here. For the exercise machine, see Elliptical trainer. In mathematics, an ellipse (from the Greek ἔλλειψις, literally absence) is the locus of points on a plane where the sum of the distances from any point on the curve to two fixed points is constant. The two fixed points are called foci (plural of focus). An alternate definition would be that an ellipse is the path traced out by a point whose distance from a fixed point, called focus, maintains a constant ratio less than one with its distance from a straight line not passing through the focus, called the directrix.
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Noun
1. 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"
(synonym) oval
(hypernym) conic section, conic
(hyponym) circle

n. ellipse, oval, elongated circle, egg-like shape; ellipsis, omission of a word or words, omission of words in order to avoid redundancy (Grammar)

n. ellipse; ellipsis, omission of a word or words (Grammar)