Pronunciation: (kûr'vu-chur, -choor"), [key]
1. the act of curving or the state of being curved.
2. a curved condition, often abnormal: curvature of the spine.
3. the degree of curving of a line or surface.
a. (at a point on a curve) the derivative of the inclination of the tangent with respect to arc length.
b. the absolute value of this derivative.
5. something curved.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.