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radius of curvature

noun

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


radius of curvature

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


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Word History and Origins

Origin of radius of curvature1

First recorded in 1745–55

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petrichor

[pet-ri-kawr]

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radius of convergenceradius of gyration