Vertex of a conical surface

См. также в других словарях:

• Conical surface — A circular conical surface In geometry, a (general) conical surface is the unbounded surface formed by the union of all the straight lines that pass through a fixed point the apex or vertex and any point of some fixed space curve the directrix… …   Wikipedia

• Conical refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …   The Collaborative International Dictionary of English

• Cone (geometry) — Not to be confused with the conical surface.. A right circular cone and an oblique circular cone A cone is an n dimensional geometric shape that tapers smoothly from a base (usually flat and circular) to a point called the apex or vertex.… …   Wikipedia

• cone — /kohn/, n., v., coned, coning. n. 1. Geom. a. a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex. b. a plane surface… …   Universalium

• Parabola — For other uses, see Parabola (disambiguation). A parabola …   Wikipedia

• Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole …   Wikipedia

• List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …   Wikipedia

• conic projection — noun a map projection of the globe onto a cone with its point over one of the earth s poles • Syn: ↑conical projection • Hypernyms: ↑map projection • Hyponyms: ↑polyconic projection * * * noun …   Useful english dictionary

• Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola …   Wikipedia

• Hypercone — of a spherical cone s generatrices (red), parallels (green) and hypermeridians (blue).Due to conformal property of Stereographic Projection,the curves intersect each other orthogonally (in the yellow points) as in 4D.All curves are circles or… …   Wikipedia

• Equimomental — E qui*mo*men tal, a. [Equi + momental.] (Mech.) Having equal moments of inertia. [1913 Webster] Note: Two bodies or systems of bodies are said to be equimomental when their moments of inertia about all straight lines are equal each to each. [1913 …   The Collaborative International Dictionary of English