Chord of curvature
Curvature Cur"va*ture (k?r"v?-t?r; 135), n. [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. [1913 Webster]

The elegant curvature of their fronds. --Darwin. [1913 Webster]

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. [1913 Webster]

{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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

### Look at other dictionaries:

• Chord of curvature — Chord Chord (k[^o]rd), n. [L chorda a gut, a string made of a gut, Gr. chordh . In the sense of a string or small rope, in general, it is written cord. See {Cord}.] 1. The string of a musical instrument. Milton. [1913 Webster] 2. (Mus.) A… …   The Collaborative International Dictionary of English

• Chord of an arch — Chord Chord (k[^o]rd), n. [L chorda a gut, a string made of a gut, Gr. chordh . In the sense of a string or small rope, in general, it is written cord. See {Cord}.] 1. The string of a musical instrument. Milton. [1913 Webster] 2. (Mus.) A… …   The Collaborative International Dictionary of English

• Aberrancy of curvature — Curvature Cur va*ture (k?r v? t?r; 135), n. [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… …   The Collaborative International Dictionary of English

• Angle of curvature — Curvature Cur va*ture (k?r v? t?r; 135), n. [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… …   The Collaborative International Dictionary of English

• Circle of curvature — Curvature Cur va*ture (k?r v? t?r; 135), n. [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… …   The Collaborative International Dictionary of English

• Radius of curvature — Curvature Cur va*ture (k?r v? t?r; 135), n. [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… …   The Collaborative International Dictionary of English

• Degree of curvature — This article is about the measure of curvature. For other uses, see degree (angle). Degree of curve or degree of curvature is a measure of curvature of a circular arc used in civil engineering for its easy use in layout surveying. A n degree… …   Wikipedia

• Curvature — Cur va*ture (k?r v? t?r; 135), n. [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 …   The Collaborative International Dictionary of English

• Curvature of the spine — Curvature Cur va*ture (k?r v? t?r; 135), n. [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… …   The Collaborative International Dictionary of English

• Chord — (k[^o]rd), n. [L chorda a gut, a string made of a gut, Gr. chordh . In the sense of a string or small rope, in general, it is written cord. See {Cord}.] 1. The string of a musical instrument. Milton. [1913 Webster] 2. (Mus.) A combination of… …   The Collaborative International Dictionary of English

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