conic section

Definitions of conic section
1

n (geometry) a curve generated by the intersection of a plane and a circular cone

Synonyms:
conic
Types:
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ellipse, oval
a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
parabola
a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
hyperbola
an open curve formed by a plane that cuts the base of a right circular cone
circle
ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
Type of:
plane figure, two-dimensional figure
a two-dimensional shape

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