Descriptive geometry

Descriptive geometry
Geometry Ge*om"e*try, n.; pl. {Geometries}[F. g['e]om['e]trie, L. geometria, fr. Gr. ?, fr. ? to measure land; ge`a, gh^, the earth + ? to measure. So called because one of its earliest and most important applications was to the measurement of the earth's surface. See {Geometer}.] 1. That branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science which treats of the properties and relations of magnitudes; the science of the relations of space. [1913 Webster]

2. A treatise on this science. [1913 Webster]

{Analytical geometry}, or {Co["o]rdinate geometry}, that branch of mathematical analysis which has for its object the analytical investigation of the relations and properties of geometrical magnitudes.

{Descriptive geometry}, that part of geometry which treats of the graphic solution of all problems involving three dimensions.

{Elementary geometry}, that part of geometry which treats of the simple properties of straight lines, circles, plane surface, solids bounded by plane surfaces, the sphere, the cylinder, and the right cone.

{Higher geometry}, that pert of geometry which treats of those properties of straight lines, circles, etc., which are less simple in their relations, and of curves and surfaces of the second and higher degrees. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Descriptive geometry — is the branch of geometry which allows the representation of three dimensional objects in two dimensions, by using a specific set of procedures. The resulting techniques are important for engineering, architecture, design and in art. [1] Drawing… …   Wikipedia

  • Descriptive geometry — Descriptive De*scrip tive, a. [L. descriptivus: cf. F. descriptif.] Tending to describe; having the quality of representing; containing description; as, a descriptive figure; a descriptive phrase; a descriptive narration; a story descriptive of… …   The Collaborative International Dictionary of English

  • descriptive geometry — n. the system of geometry that uses plane projections and perspective drawings of solid figures, usually in order to describe and analyze their properties for engineering and manufacturing purposes …   English World dictionary

  • descriptive geometry — noun the geometry of properties that remain invariant under projection • Syn: ↑projective geometry • Topics: ↑mathematics, ↑math, ↑maths • Hypernyms: ↑geometry * * * noun …   Useful english dictionary

  • descriptive geometry — 1. the theory of making projections of any accurately defined figure such that its projective as well as its metrical properties can be deduced from them. 2. geometry in general, treated by means of projections. [1815 25] * * * …   Universalium

  • descriptive geometry — /dəˌskrɪptɪv dʒiˈɒmətri/ (say duh.skriptiv jee omuhtree) noun 1. the theory of making projections of any accurately defined figure such that from them can be deduced not only its projective, but also its metrical properties. 2. geometry in… …  

  • descriptive geometry — noun A graphical protocol which creates three dimensional virtual space on a two dimensional plane …   Wiktionary

  • descriptive geometry — descrip′tive geom′etry n. math. the theory of making projections of any accurately defined figure such that its projective as well as its metrical properties can be deduced from them • Etymology: 1815–25 …   From formal English to slang

  • List of computer graphics and descriptive geometry topics — This is a list of computer graphics and descriptive geometry topics, by article name.* 2D computer graphics * 2D geometric model * 3D computer graphics * 3D projection * Alpha compositing * Anisotropic filtering * Anti aliasing * Axis aligned… …   Wikipedia

  • Descriptive — De*scrip tive, a. [L. descriptivus: cf. F. descriptif.] Tending to describe; having the quality of representing; containing description; as, a descriptive figure; a descriptive phrase; a descriptive narration; a story descriptive of the age.… …   The Collaborative International Dictionary of English

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