ruled surface
noun Date: 1862 a surface generated by a moving straight line with the result that through every point on the surface a line can be drawn lying wholly in the surface

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • ruled surface — n. Geom. a surface that is the locus of all points on a moving straight line, as a plane, cone, etc …   English World dictionary

  • Ruled surface — A hyperboloid of one sheet is a doubly ruled surface: it can be generated by either of two families of straight lines. In geometry, a surface S is ruled if through every point of S there is a straight line that lies on S. The most familiar… …   Wikipedia

  • ruled surface — noun mathematics : a surface generated by a moving straight line * * * Geom. a surface that can be generated by a straight line, as a cylinder or cone. [1860 65] * * * ruled surface «roold», Geometry. a surface generated by the motion of a… …   Useful english dictionary

  • Ruled surface — Rule Rule, n. [Webster 1913 Suppl.] Syn: regulation; law; precept; maxim; guide; canon; order; method; direction; control; government; sway; empire. [1913 Webster] Rule Rule, v. t. [imp. & p. p. {Ruled}; p. pr. & vb. n. {Ruling}.] [Cf. OF. riuler …   The Collaborative International Dictionary of English

  • ruled surface — Geom. a surface that can be generated by a straight line, as a cylinder or cone. [1860 65] * * * …   Universalium

  • doubly ruled surface — noun mathematics : a ruled surface with two systems of rulings or generators; specifically : a quadric surface …   Useful english dictionary

  • Ruled — Rule Rule, n. [Webster 1913 Suppl.] Syn: regulation; law; precept; maxim; guide; canon; order; method; direction; control; government; sway; empire. [1913 Webster] Rule Rule, v. t. [imp. & p. p. {Ruled}; p. pr. & vb. n. {Ruling}.] [Cf. OF. riuler …   The Collaborative International Dictionary of English

  • Surface-mount technology — (SMT) is a method for constructing electronic circuits in which the components (SMC, or Surface Mounted Components) are mounted directly onto the surface of printed circuit boards (PCBs). Electronic devices so made are called surface mount… …   Wikipedia

  • Surface-conduction electron-emitter display — A surface conduction electron emitter display (SED) is a flat panel display technology that uses surface conduction electron emitters for every individual display pixel. The surface conduction emitter emits electrons that excite a phosphor… …   Wikipedia

  • Surface Transportation Assistance Act — The Surface Transportation Assistance Act of 1982 was a comprehensive transportation funding and policy act. USStat|87|2136Effective in 1983, Section 405 (USC|49|31105) was enacted to encourage employee reporting of noncompliance with safety… …   Wikipedia

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