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Other Definitions Of An Ellipse, Features, Drawing Ellipses, Uses

An ellipse is a kind of oval. It is the oval formed by the intersection of a plane and a right circular cone-one of the four types of conic sections. The other three are the circle, the hyperbola, and the parabola. The ellipse is symmetrical along two lines, called axes. The major axis runs through the longest part of the ellipse and its center, and the minor axis is perpendicular to the major axis through the ellipse's center.

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Science EncyclopediaScience & Philosophy: Electrophoresis (cataphoresis) to Ephemeral