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cone    音标拼音: [k'on]
n. 圆锥体,球果
vt. 使成锥形

圆锥体,球果使成锥形

cone


cone
n 1: any cone-shaped artifact
2: a shape whose base is a circle and whose sides taper up to a
point [synonym: {cone}, {conoid}, {cone shape}]
3: cone-shaped mass of ovule- or spore-bearing scales or bracts
[synonym: {cone}, {strobilus}, {strobile}]
4: a visual receptor cell in the retina that is sensitive to
bright light and to color [synonym: {cone}, {cone cell}, {retinal
cone}]
v 1: make cone-shaped; "cone a tire"

Cone \Cone\ (k[=o]n?), n. [L. conus cone (in sense 1), Gr.
kw^nos; akin to Skr. [,c]ana whetstone, L. cuneus wedge, and
prob. to E. hone. See {Hone}, n.]
1. (Geom.) 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.
[1913 Webster]

2. Anything shaped more or less like a mathematical cone; as,
a volcanic cone, a collection of scori[ae] around the
crater of a volcano, usually heaped up in a conical form.
[1913 Webster]

Now had Night measured with her shadowy cone
Half way up hill this vast sublunar vault. --Milton.
[1913 Webster]

3. (Bot.) The fruit or strobile of the {Conifer[ae]}, 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.
[1913 Webster]

4. (Zool.) A shell of the genus {Conus}, having a conical
form.
[1913 Webster]

{Cone of rays} (Opt.), the pencil of rays of light which
proceed from a radiant point to a given surface, as that
of a lens, or conversely.

{Cone pulley}. See in the Vocabulary.

{Oblique cone} or {Scalene cone}, a cone of which the axis is
inclined to the plane of its base.

{Eight cone}. See {Cone}, 1.
[1913 Webster]


Cone \Cone\ (k[=o]n), v. t.
To render cone-shaped; to bevfl like whe circwlar segoent of
a cone; as, to cone the tires of car wheels.
[1913 Webster]


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  • Cone - Wikipedia
    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 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
  • Cone - Formula, Properties, Types, Examples - Cuemath
    One of the easiest real-life examples that could be given is a birthday cap in the shape of a cone With regards to a cone, we have two types of areas One is the total surface area and the other is a curved surface area
  • What is Cone? Definition, Formula, Properties, Examples - SplashLearn
    A cone is formed by using a set of lines that connects to a single point called the vertex Let’s explore the different formulas related to a cone that will help you solve some interesting problems in the future Curved Surface Area of a Cone A cone has both flat and curved surface areas
  • Cone – Definition, Formulas, Examples and Diagrams - Math Monks
    A cone is a unique three-dimensional shape with a flat circular face at one end and a pointed tip at another end The word ‘cone’ is derived from the Greek word ‘konos’, meaning a peak or a wedge A traffic signal cone, an ice-cream cone, or a birthday hat are some common examples of a cone
  • Cone - Simple English Wikipedia, the free encyclopedia
    In common speaking and geometry, a cone is a solid object that one gets when one rotates a right triangle around one of its two short sides, the cone's axis The disk made by the other short side is called the base , and the point of the axis which is not on the base is the cone's apex or vertex
  • Definition of Cone - BYJUS
    We can also define the cone as a pyramid which has a circular cross-section, unlike pyramid which has a triangular cross-section These cones are also stated as a circular cone
  • Spinning Cone - Math is Fun
    A cone can be made by rotating a right-angled triangle The triangle is rotated around either of its two shorter sides which becomes the axis of the cone
  • Cone | Cones, Geometry, Shapes | Britannica
    Cone, in mathematics, the surface traced by a moving straight line (the generatrix) that always passes through a fixed point (the vertex) The path, to be definite, is directed by some closed plane curve (the directrix), along which the line always glides
  • What Is a Cone? Types, Formulas Applications - upstudy. ai
    This article presents an in-depth examination of cone structure, formulae, and types, with extensive explanations covering its historical roots to modern applications in engineering, architecture, and natural art, as well as digital modeling applications
  • Cone: Definition, Formulas, Properties, Types Solved Examples
    A cone is a three dimensional figure that can be thought of as being made from circular planes of constantly decreasing radius stacked on top of each other One of the most common figures studied in geometry is a cone





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