conic section
noun
- a curve, either an ellipse, circle, parabola, or hyperbola, produced by the intersection of a plane with a right circular cone
- the branch of geometry dealing with ellipses, circles, parabolas, and hyperbolas
See conic section in American Heritage Dictionary 4
noun- The intersection of a right circular cone and a plane, which generates one of a group of plane curves, including the circle, ellipse, hyperbola, and parabola.
- A graph of the general quadratic equation in two variables.
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conic section
conic sections created by the intersection of various planes of a right circular cone
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