ALL meanings of radius of curvature
ra·di·us of cur·va·ture
R r - noun radius of curvature the absolute value of the reciprocal of the curvature at a point on a curve. 1
- noun radius of curvature the absolute value of the reciprocal of the curvature of a curve at a given point; the radius of a circle the curvature of which is equal to that of the given curve at that point 0