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conic    音標拼音: [k'ɑnɪk] [k'onɪk]
a. 圓錐的,圓錐形的

圓錐的,圓錐形的

conic
adj 1: relating to or resembling a cone; "conical mountains";
"conelike fruit" [synonym: {conic}, {conical}, {conelike},
{cone-shaped}]
n 1: (geometry) a curve generated by the intersection of a plane
and a circular cone [synonym: {conic section}, {conic}]

Conic \Con"ic\, n. (Math.)
A conic section.
[1913 Webster]


Conic \Con"ic\, Conical \Con"ic*al\, a. [Gr. ?: cf. F. conique.
See {Cone}.]
1. Having the form of, or resembling, a geometrical cone;
round and tapering to a point, or gradually lessening in
circumference; as, a conic or conical figure; a conical
vessel.
[1913 Webster]

2. Of or pertaining to a cone; as, conic sections.
[1913 Webster]

{Conic section} (Geom.), a curved line formed by the
intersection of the surface of a right cone and a plane.
The conic sections are the parabola, ellipse, and
hyperbola. The right lines and the circle which result
from certain positions of the plane are sometimes, though
not generally included.

{Conic sections}, that branch of geometry which treats of the
parabola, ellipse, and hyperbola.

{Conical pendulum}. See {Pendulum}.

{Conical projection}, a method of delineating the surface of
a sphere upon a plane surface as if projected upon the
surface of a cone; -- much used by makers of maps in
Europe.

{Conical surface} (Geom.), a surface described by a right
line moving along any curve and always passing through a
fixed point that is not in the plane of that curve.
[1913 Webster]

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  • Conic section - Wikipedia
    A conic section, conic or a quadratic curve is a curve obtained from a cone's surface intersecting a plane The three types of conic section are the hyperbola, the parabola, and the ellipse; the circle is a special case of the ellipse, though it was sometimes considered a fourth type
  • 11. 5: Conic Sections - Mathematics LibreTexts
    Conic sections have been studied since the time of the ancient Greeks, and were considered to be an important mathematical concept As early as 320 BCE, such Greek mathematicians as Menaechmus, Appollonius, and Archimedes were fascinated by these curves
  • Conic Sections - Math is Fun
    Conic Sections Conic Section: a section (or slice) through a cone Did you know that by taking different slices through a cone you can create a circle, an ellipse, a parabola or a hyperbola?
  • Conic Section -Definition, Formulas, Equations, Examples
    Conic sections or sections of a cone are the curves obtained by the intersection of a plane and cone There are three major sections of a cone or conic sections: parabola, hyperbola, and ellipse (the circle is a special kind of ellipse )
  • Conic section | Ellipses, Parabolas Hyperbolas | Britannica
    conic section, in geometry, any curve produced by the intersection of a plane and a right circular cone Depending on the angle of the plane relative to the cone, the intersection is a circle, an ellipse, a hyperbola, or a parabola
  • Conic sections | Algebra (all content) | Math | Khan Academy
    This topic covers the four conic sections and their equations: Circle, Ellipse, Parabola, and Hyperbola
  • Conics: An Overview | Purplemath
    Introduces the basics of conics in algebra, including a flow-chart for determining which sort of conic is represented by a given equation
  • Conic Sections | Brilliant Math Science Wiki
    Conic sections are classified into four groups: parabolas, circles, ellipses, and hyperbolas Conic sections received their name because they can each be represented by a cross section of a plane cutting through a cone
  • Conic Sections – Equations, Formulas, and Real-life Examples
    A conic section, also called conic in geometry is formed when a plane intersects a cone at different angles and positions It can be a circle, ellipse, parabola, or hyperbola according to the varied angles of intersection
  • Study Guide - Introduction to Conic Sections - Symbolab
    A conic section (or simply conic) is a curve obtained as the intersection of the surface of a cone with a plane The three types of conic sections are the hyperbola, the parabola, and the ellipse





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