Word:

# Curvature

Cur´va`ture   Pronunciation: k?r´v?-t?r; 135
n.1.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.
The elegant curvature of their fronds.
2.(Math.) 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.
 Aberrancy of curvature (Geom.) the deviation of a curve from a circular form.
 Absolute curvature See under Absolute.
 Angle of curvature (Geom.) one that expresses the amount of curvature of a curve.
 Chord of curvature See under Chord.
 Circle of curvature See Osculating circle of a curve, under Circle.
 Curvature of the spine (Med.) an abnormal curving of the spine, especially in a lateral direction.
 Radius of curvature the radius of the circle of curvature, or osculatory circle, at any point of a curve.
 Noun 1 curvature - (medicine) a curving or bending; often abnormal; "curvature of the spine" 2 curvature - the rate of change (at a point) of the angle between a curve and a tangent to the curve 3 curvature - the property possessed by the curving of a line or surfaceSynonyms: curve
arc, arch, condition, crook, curve, medical specialty, medicine, status
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