# Radius-of-curvature

**noun**, Mathematics.

1.

the absolute value of the reciprocal of the curvature at a point on a curve.

**noun**

1.

the absolute value of the reciprocal of the curvature of a curve at a given point; the radius of a circle the curvature of which is equal to that of the given curve at that point See also centre of curvature

Tagged: r

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