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 inner sepulchral chambers b. a structure or object of similar form 2. a polyhedron having for its base a polygon and for faces triangles with a common vertex — see volume table 3. a crystalline form each face of which intersects the vertical axis and either two lateral axes or in the tetragonal system one lateral axis 4. an anatomical structure resembling a pyramid: as a. any of the conical masses that project from the renal medulla into the kidney pelvis b. either of two large bundles of motor fibers from the cerebral cortex that reach the medulla oblongata and are continuous with the pyramidal tracts of the spinal cord 5. an immaterial structure built on a broad supporting base and narrowing gradually to an apex <
the socioeconomic pyramid
>
pyramidal adjectivepyramidally adverbpyramidical adjective II. verb Date: circa 1900 intransitive verb 1. to speculate (as on a security or commodity exchange) by using paper profits as margin for additional transactions 2. to increase rapidly and progressively step by step on a broad base transitive verb 1. to arrange or build up as if on the base of a pyramid 2. to use (as profits) in speculative pyramiding 3. to increase the impact of (as a tax assessed at the production level) on the ultimate consumer by treating as a cost subject to markup

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — (обычно от англ. pyramid, заимствованное от греч. πυραμίς). Pyramid  музыкальный альбом филиппинской певицы Charice. Pyramid  видеоигра начала 1990 х годов, сходная с тетрисом. Pyramid  программный каркас для разработки веб… …   Википедия

  • Pyramid — Saltar a navegación, búsqueda Pyramid Álbum de The Alan Parsons Project Publicación Junio 1978 Grabación Septiembre 1977 Febrero 1978 Ab …   Wikipedia Español

  • pyramid — pyr·a·mid 1 / pir ə ˌmid/ n 1: a group of holding companies superimposed on one another to give those in control of the top holding company control over all of the companies with a small investment 2: the series of operations involved in… …   Law dictionary

  • 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

  • Pyramid — Studioalbum von The Alan Parsons Project Veröffentlichung 1978 Label Arista Records Format …   Deutsch Wikipedia

  • Pyramid — Pyr a*mid, v. i. (Speculation) To enlarge one s holding or interest in a series of operations on a continued rise or decline by using the profits to buy or sell additional amounts on a margin, as where one buys on a 10% margin 100 shares of stock …   The Collaborative International Dictionary of English

  • Pyramid — Pyr a*mid, v. t. (Speculation) To use, or to deal in, in a pyramiding transaction. See {Pyramid}, v. i. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • pyramid — pyr‧a‧mid [ˈpɪrəmɪd] noun [countable] ORGANIZATIONS an organization with only a few people at the top, who have a lot of power and influence over those below them * * * pyramid UK US /ˈpɪrəmɪd/ noun [C] ► an organization or system that has few… …   Financial and business terms

  • pyramid — 1550s (earlier in L. form piramis, late 14c.), from Fr. pyramide (O.Fr. piramide, 12c.), from L. pyramides, pl. of pyramis one of the pyramids of Egypt, from Gk. pyramis (pl. pyramides), apparently an alteration of Egyptian pimar pyramid. Related …   Etymology dictionary

  • 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

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