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#top Aberrancy of Curvature

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), noun [L. curvatura. See {Curvate}.]

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. --Cowper.

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.

{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.

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Aberrance \Ab*er"rance\, Aberrancy \Ab*er"ran*cy\, noun the state or condition of being aberrant; a wandering from the right way; deviation from truth, rectitude, etc.

Syn: aberrance, aberration, deviance [1913 Webster WordNet 1.5]

{Aberrancy of curvature} (Geom.), the deviation of a curve from a circular form.