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quadrantal angle

См. также в других словарях:

  • Quadrantal — Quad*ran tal, a. [L. quadrantalis containing the fourth fourth part of a measure.] (Geom.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. [1913 Webster] {Quadrantal triangle}, a spherical… …   The Collaborative International Dictionary of English

  • Quadrantal triangle — Quadrantal Quad*ran tal, a. [L. quadrantalis containing the fourth fourth part of a measure.] (Geom.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. [1913 Webster] {Quadrantal triangle}, a… …   The Collaborative International Dictionary of English

  • Quadrantal versor — Quadrantal Quad*ran tal, a. [L. quadrantalis containing the fourth fourth part of a measure.] (Geom.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. [1913 Webster] {Quadrantal triangle}, a… …   The Collaborative International Dictionary of English

  • The vector of a quaternion — In the 19th century, the vector of a quaternion written Vq was a well defined mathematical entity in the classical quaternion notation system. This article is written using classical nomenclature. In this article the word vector means the… …   Wikipedia

  • Classical Hamiltonian quaternions — For the history of quaternions see:history of quaternions For a more general treatment of quaternions see:quaternions William Rowan Hamilton invented quaternions, a mathematical entity in 1843. This article describes Hamilton s original treatment …   Wikipedia

  • Pedro Nunez (Nonius) —     Pedro Nunez     † Catholic Encyclopedia ► Pedro Nunez     (Pedro Nonius).     Mathematician and astronomer, b. at Alcacer do Sol, 1492; d. at Coimbra, 1577. He studied ancient languages, philosophy, and medicine at Lisbon and mathematics at… …   Catholic encyclopedia

  • Armillary sphere — An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of the celestial sphere. Description and use of the armillary sphere The exterior parts of this machine are a compages of brass rings, which represent …   Wikipedia

  • astronomical map — Introduction       any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… …   Universalium

  • bullnose — /bool nohz /, n. 1. Also, bull s nose. Archit. a. a rounded or obtuse exterior angle, as the corner made by two walls. b. a structural member, as a brick, used in forming such an angle. 2. Also called bullnose step. a step having semicircular or… …   Universalium

  • Amphora — This article is about the type of container. For other uses, see Amphora (disambiguation). Amphorae on display in Bodrum Castle, Turkey …   Wikipedia

  • Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …   Deutsch Wikipedia

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