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the absolute value of the reciprocal of the curvature at a point on a curve. Cf. circle of curvature.
[1745-55]

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Universalium. 2010.

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• Radius of curvature — may refer to: Radius of curvature (mathematics) Radius of curvature (optics) Radius of curvature (applications), in geodesy and materials science The reciprocal of the curvature, in differential geometry Radius, for a sphere (lingo) The radius of …   Wikipedia

• Radius of curvature — Curvature Cur va*ture (k?r v? t?r; 135), n. [L. curvatura. See {Curvate}.] 1. The act of curving, or the state of being bent or curved; a curving or bending, normal or abnormal, as of a line or surface from a rectilinear direction; a bend; a… …   The Collaborative International Dictionary of English

• Radius of curvature — Radius Ra di*us (r[=a] d[i^]*[u^]s), n.; pl. L. {Radii} (r[=a] d[i^]*[imac]); E. {Radiuses} (r[=a] d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a wheel, radius, ray. See {Ray} a divergent line.] 1. (Geom.) A right line drawn or extending from… …   The Collaborative International Dictionary of English

• radius of curvature — kreivumo spindulys statusas T sritis Standartizacija ir metrologija apibrėžtis Kreivės arba kreivo paviršiaus spindulys. atitikmenys: angl. radius of curvature vok. Krümmungsradius, m rus. радиус кривизны, m pranc. rayon de courbure, m …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• radius of curvature — kreivumo spindulys statusas T sritis fizika atitikmenys: angl. radius of curvature vok. Krümmungsradius, m rus. радиус кривизны, m pranc. rayon de courbure, m …   Fizikos terminų žodynas

• radius of curvature — noun the radius of the circle of curvature; the absolute value of the reciprocal of the curvature of a curve at a given point (Freq. 3) • Hypernyms: ↑radius, ↑r …   Useful english dictionary

• radius of curvature — Date: circa 1753 the reciprocal of the curvature of a curve …   New Collegiate Dictionary

• radius of curvature — noun The radius of the osculating circle at the point on the curve …   Wiktionary

• radius of curvature — noun the radius of that circle (called the osculating circle) whose arc best approximates a curve in the vicinity of a point on the curve …   Australian English dictionary

• Radius of curvature (optics) — Radius of curvature has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located in (x, y, z) either along or decentered from the system local optical axis. The vertex… …   Wikipedia