Cone - определение. Что такое Cone
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Что (кто) такое Cone - определение

GEOMETRIC SHAPE
Conical; Right circular cone; Cones; Cone (mathematics); Cone (surface); Conic solid; Slant height; Cone (solid); Cone (geometry)/Proofs; Cone (geometry) proofs; Base radius; Generalized cone; Elliptical cone; Circular cone; ⌲; Cone (geometry); Conical taper; Cone-shaped; Double cone (geometry); Surface area of a cone; Geometric cone; Half-angle
  • Illustration from ''Problemata mathematica...'' published in [[Acta Eruditorum]], 1734
  • cylinder]] is simply a cone whose apex is at infinity, which corresponds visually to a cylinder in perspective appearing to be a cone towards the sky.
  • A right circular cone and an oblique circular cone
  • 3D model of a cone
  • A double cone (not shown infinitely extended)
  • An elliptical cone quadric surface
Найдено результатов: 448
cone         
n.
1) an ice-cream cone
2) a pine cone
cone         
(cones)
1.
A cone is a shape with a circular base and smooth curved sides ending in a point at the top.
N-COUNT
2.
A cone is the fruit of a tree such as a pine or fir.
...a bowl of fir cones.
N-COUNT
3.
A cone is a thin, cone-shaped biscuit that is used for holding ice cream. You can also refer to an ice cream that you eat in this way as a cone.
She stopped by the ice-cream shop and had a chocolate cone.
N-COUNT
4.
cone         
¦ noun
1. an object which tapers from a circular or roughly circular base to a point.
(also traffic cone) a plastic cone-shaped object used to separate off sections of a road.
a cone-shaped wafer container in which ice cream is served.
the peak of a volcano.
2. the cone-shaped dry fruit of a conifer, formed of a tight array of overlapping scales on a central axis.
3. Anatomy one of two types of light-sensitive cell present in the retina of the eye, responding to bright light and responsible for sharpness of vision and colour perception. Compare with rod (in sense 6).
¦ verb (cone something off) Brit. separate off part of a road with traffic cones.
Derivatives
coned adjective
Origin
ME: from Fr. cone, via L. from Gk konos.
Cone         
·noun A shell of the genus Conus, having a conical form.
II. Cone ·vt To render cone-shaped; to bevel like the circular segment of a cone; as, to cone the tires of car wheels.
III. Cone ·noun The fruit or strobile of the Coniferae, as of the pine, fir, cedar, and cypress. It is composed of woody scales, each one of which has one or two seeds at its base.
IV. Cone ·noun Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater of a volcano, usually heaped up in a conical form.
V. Cone ·noun A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle;
- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex.
Cone         
A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex.
cones         
Drivers of vehicles that are widely spaced and moving at or below the roadway's posted speed limit.
I had to pass a bunch of cones back there before I could catch up with you.
cone-shaped         
a.
Coniform.
Cone (disambiguation)         
WIKIMEDIA DISAMBIGUATION PAGE
Double-napped cone

A cone is a basic geometrical shape.

Cone may also refer to:

Cone (category theory)         
IN CATEGORY THEORY
Cone of a functor; Co-cone; Universal cone; Universal co-cone; Category of cones; Category of co-cones; Cocone
In category theory, a branch of mathematics, the cone of a functor is an abstract notion used to define the limit of that functor. Cones make other appearances in category theory as well.
conical         
a.
Coniform, cone-shaped.

Википедия

Cone

A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex.

A cone is formed by a set of line segments, half-lines, or lines connecting a common point, the apex, to all of the points on a base that is in a plane that does not contain the apex. Depending on the author, the base may be restricted to be a circle, any one-dimensional quadratic form in the plane, any closed one-dimensional figure, or any of the above plus all the enclosed points. If the enclosed points are included in the base, the cone is a solid object; otherwise it is a two-dimensional object in three-dimensional space. In the case of a solid object, the boundary formed by these lines or partial lines is called the lateral surface; if the lateral surface is unbounded, it is a conical surface.

In the case of line segments, the cone does not extend beyond the base, while in the case of half-lines, it extends infinitely far. In the case of lines, the cone extends infinitely far in both directions from the apex, in which case it is sometimes called a double cone. Either half of a double cone on one side of the apex is called a nappe.

The axis of a cone is the straight line (if any), passing through the apex, about which the base (and the whole cone) has a circular symmetry.

In common usage in elementary geometry, cones are assumed to be right circular, where circular means that the base is a circle and right means that the axis passes through the centre of the base at right angles to its plane. If the cone is right circular the intersection of a plane with the lateral surface is a conic section. In general, however, the base may be any shape and the apex may lie anywhere (though it is usually assumed that the base is bounded and therefore has finite area, and that the apex lies outside the plane of the base). Contrasted with right cones are oblique cones, in which the axis passes through the centre of the base non-perpendicularly.

A cone with a polygonal base is called a pyramid.

Depending on the context, "cone" may also mean specifically a convex cone or a projective cone.

Cones can also be generalized to higher dimensions.