vertex of a pyramid

См. также в других словарях:

• pyramid — ► NOUN 1) a monumental stone structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built as a royal tomb in ancient Egypt. 2) Geometry a polyhedron of which one face is a polygon and the… …   English terms dictionary

• Pyramid — Pyr a*mid, n. [L. pyramis, idis, fr. Gr. ?, ?, of Egyptian origin: cf. F. pyramide.] [1913 Webster] 1. A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of… …   The Collaborative International Dictionary of English

• pyramid operation — Pyramid Pyr a*mid, n. [L. pyramis, idis, fr. Gr. ?, ?, of Egyptian origin: cf. F. pyramide.] [1913 Webster] 1. A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or… …   The Collaborative International Dictionary of English

• pyramid scheme — Pyramid Pyr a*mid, n. [L. pyramis, idis, fr. Gr. ?, ?, of Egyptian origin: cf. F. pyramide.] [1913 Webster] 1. A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or… …   The Collaborative International Dictionary of English

• pyramid — [pir′ə mid] n. [L pyramis (gen. pyramidis) < Gr, pyramid: replaced ME piramis, also < L] 1. any huge structure with a square base and four sloping, triangular sides meeting at the top, as those built by the ancient Egyptians for royal tombs …   English World dictionary

• Vertex figure — In geometry a vertex figure is, broadly speaking, the figure exposed when a corner of a polyhedron or polytope is sliced off. Definitions theme and variationsTake some vertex of a polyhedron. Mark a point somewhere along each connected edge. Draw …   Wikipedia

• Pyramid (geometry) — This article is about the polyhedron pyramid (a 3 dimensional shape); for other versions including architectural Pyramids, see Pyramid (disambiguation). An n sided pyramid is a polyhedron formed by connecting an n sided polygonal base and a point …   Wikipedia

• pyramid — I. noun Etymology: Latin pyramid , pyramis, from Greek Date: 1549 1. a. an ancient massive structure found especially in Egypt having typically a square ground plan, outside walls in the form of four triangles that meet in a point at the top, and …   New Collegiate Dictionary

• pyramid — 1. A term applied to a number of anatomic structures having a more or less pyramidal shape. SYN: pyramis [TA]. 2. A term denoting the petrous portion of the temporal bone. [G. pyramis (p. ), a p.] anterior p. SYN …   Medical dictionary

• vertex — /verr teks/, n., pl. vertexes, vertices / teuh seez /. 1. the highest point of something; apex; summit; top: the vertex of a mountain. 2. Anat., Zool. the crown or top of the head. 3. Craniom. the highest point on the midsagittal plane of the… …   Universalium

• vertex — noun plural vertices or vertexes (countable + of) technical 1 the angle opposite the base of a shape such as a pyramid, cone, triangle etc 2 the point where the two lines of an angle meet 3 the highest point: the vertex of an arch …   Longman dictionary of contemporary English