conic section
English Thesaurus
1. (geometry) a curve generated by the intersection of a plane and a circular cone (noun.shape)
hyponym | : | ellipse, oval, |
definition | : | a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it (noun.shape) |
hyponym | : | parabola, |
definition | : | a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve (noun.shape) |
hyponym | : | hyperbola, |
definition | : | an open curve formed by a plane that cuts the base of a right circular cone (noun.shape) |
domain category | : | geometry, |
definition | : | the pure mathematics of points and lines and curves and surfaces (noun.cognition) |
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