conic section
noun Geometry.
a curve formed by the intersection of a plane with a right circular cone; an ellipse, a circle, a parabola, or a hyperbola.
Origin of conic section
First recorded in 1655–65
Also called conic.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
conic section
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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conic section
The American Heritage® Science Dictionary
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