Thesaurus: ellipse

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1. n. 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. n. Omission. See Ellipsis.
3. n. The elliptical orbit of a planet.
4. n. a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
5. 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.
6. An oval or oblong figure, bounded by a regular curve, whichcorresponds to an oblique projection of a circle, or an obliquesection of a cone through its opposite sides. The greatest diameterof the ellipse is the major axis, and the least diameter is the minoraxis. See Conic section, under Conic, and cf. Focus.
7. n:100 n. a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it