Meaning of CURVATURE in English
noun 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.
2. curvature ·noun 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.
Webster English vocab. Английский словарь Webster. 2012