Curvature
91Radius of curvature (mathematics) — In geometry, the radius of curvature, R , of a curve at a point is a measure of the radius of the circular arc which best approximates the curve at that point. If this value taken to be positive when the curve turns anticlockwise and negative… …
92circle of curvature — noun the circle that touches a curve (on the concave side) and whose radius is the radius of curvature • Syn: ↑osculating circle • Hypernyms: ↑circle * * * : the osculating circle of a curve * * * Math. the circle with its center on the normal to …
93Absolute curvature — Absolute Ab so*lute, a. [L. absolutus, p. p. of absolvere: cf. F. absolu. See {Absolve}.] 1. Loosed from any limitation or condition; uncontrolled; unrestricted; unconditional; as, absolute authority, monarchy, sovereignty, an absolute promise or …
94Circle of curvature — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …
95Degree of curvature — This article is about the measure of curvature. For other uses, see degree (angle). Degree of curve or degree of curvature is a measure of curvature of a circular arc used in civil engineering for its easy use in layout surveying. A n degree… …
96spine, curvature of the — ▪ pathology any of a group of deviations of the normal spinal curvature, including scoliosis, lordosis, and kyphosis. Scoliosis is a lateral, or sideways, deviation of the spine, or vertebral column. The condition usually includes two …
97centre of curvature — noun the center of the circle of curvature • Syn: ↑center of curvature • Hypernyms: ↑center, ↑centre, ↑midpoint * * * centre of curvature (of a curve) the centre of the circle which can be superimposed on it on the concave side • • • Main En …
98Chord of curvature — Chord Chord (k[^o]rd), n. [L chorda a gut, a string made of a gut, Gr. chordh . In the sense of a string or small rope, in general, it is written cord. See {Cord}.] 1. The string of a musical instrument. Milton. [1913 Webster] 2. (Mus.) A… …
99Radius 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… …
100Profile radius of curvature — is the radius of curvature of a tooth profile, usually at the pitch point or a point of contact. It varies continuously along the involute profile.1 Notes 1. ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols …
