1. [syn: ellipse, oval]
The Collaborative International Dictionary of English v.0.48:
Ellipse \El*lipse"\ ([e^]l*l[i^]ps"), n. [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.
WordNet (r) 3.0 (2006):
n 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]
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "ellipse":
arc, bow, catacaustic, catenary, caustic, circle, conchoid, crook,
curl, curve, diacaustic, festoon, hook, hyperbola, lituus, oval,
ovoid, ovule, parabola, sinus, tracery