Definition of Conic section

1. Noun. (geometry) a curve generated by the intersection of a plane and a circular cone.

Exact synonyms: Conic
Category relationships: Geometry
Generic synonyms: Plane Figure, Two-dimensional Figure
Specialized synonyms: Ellipse, Oval, Parabola, Hyperbola
Derivative terms: Conic

Definition of Conic section

1. Noun. (geometry) Any of the four distinct shapes that are the intersections of a cone with a plane, namely the circle, ellipse, parabola and hyperbola. ¹

¹ Source:

Lexicographical Neighbors of Conic Section

coni epididymidis
coni vasculosi
conic Verpa
conic morel
conic papillae
conic projection
conic section (current term)
conic sections
conic waxycap
conical buoy
conical catheter
conical cornea
conical flask
conical flasks
conical papillae
conical projection

Literary usage of Conic section

Below you will find example usage of this term as found in modern and/or classical literature:

1. Transactions by Cambridge Philosophical Society (1830)
"On the Focus of a conic section. BY PIERCE MORTON, ESQ. ... the plane of which is produced to cut the plane of the conic section in a line RX\ the distances ..."

2. A Treatise on Conic Sections: Containing an Account of Some of the Most by George Salmon (1904)
"Given four points on a conic, the locus of the pole of a fixed right line is a conic section. (Ex. 1 , p. 254). The lines joining the vertices of a tri- ..."

3. The Collected Mathematical Papers of Arthur Cayley by Arthur Cayley (1890)
"The area 8 of the conic section represented by the equation (A, B, C, A', H, C'~§jc, y, zf = 1, where the coordinates are con- by the equation x + y + z = 1 ..."

4. A Course of Mathematics: Composed for the Use of the Royal Military Academy by Charles Hutton, Olinthus Gregory (1843)
"When a conic section touches three sides of a triangle BCD, of which BD is ... If the straight lines BD, CD, be touched in A and С by a conic section, ..."

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