[{"Bold_text": "noun", "List Items": ["the act of curving or the state of being curved.", "a curved condition, often abnormal:curvature of the spine.", "the degree of curving of a line or surface.", "Geometry.(at a point on a curve) the derivative of the inclination of the tangent with respect to arc length.the absolute value of this derivative.", "(at a point on a curve) the derivative of the inclination of the tangent with respect to arc length.", "the absolute value of this derivative.", "something curved."]}]