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From The Collaborative International Dictionary of English v.0.48 [gcide]:
Ellipse \El*lipse"\ ([e^]l*l[i^]ps"), noun [Gr. 'e'lleipsis, prop., a defect, the inclination of the ellipse to the base of the cone being in defect when compared with that of the side to the base: cf. F. ellipse. See {Ellipsis}.]
1. (Geom.) An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis. See {Conic section}, under {Conic}, and cf. {Focus}.
2. (Gram.) Omission. See {Ellipsis}.
3. The elliptical orbit of a planet.
The Sun flies forward to his brother Sun; The dark Earth follows wheeled in her ellipse. --Tennyson.
From WordNet (r) 3.0 (2006) [wn]:
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" [syn: {ellipse}, {oval}]
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Definitions retrieved from the Open Source DICT Webster's English and WordNet 3.0 dictionaries. Click here for database copyright information.
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