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#### Definitions of curvature

1. the rate of change (at a point) of the angle between a curve and a tangent to the curve Scrapingweb Dictionary DB
2. (medicine) a curving or bending; often abnormal; "curvature of the spine" Wordnet Dictionary DB
3. 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 curve. Newage Dictionary DB
4. The amount of degree of bending of a mathematical curve, or the tendency at any point to depart from a tangent drawn to the curve at that point. Newage Dictionary DB
5. A bending; as, curvature of the spine. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
6. A curving or bending: the continual bending or the amount of bending from a straight line. The american dictionary of the english language. By Daniel Lyons. Published 1899.
7. A curving or bending; deflection from a straight line. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
8. The act of bending, or the state of being curved; amount or rate of bending. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
9. The continual flexure or bending of a line from a rectilinear direction. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
10. Crookedness, or the manner of being bent; a curve; a bending from a straight line. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

### Usage examples for curvature

1. In other places a fine, exceedingly delicate crest- line would spring up from the high point of some buried obstacle and sweep along in the most graceful curve as far as the eye would carry I particularly remember one of them, and I could discover no earthly reason for the curvature in it. – Over Prairie Trails by Frederick Philip Grove
2. This anomaly can be explained by the curvature of space in the fourth dimension. – Four-Dimensional Vistas by Claude Fayette Bragdon
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