Definition of curvature in English:

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Pronunciation: /ˈkəːvətʃə/


[mass noun]
1The fact of being curved or the degree to which something is curved: spinal curvature the curvature of the earth
More example sentences
  • So are you ready to be bedazzled by the Barcelona curves and curvatures?
  • The curvatures of the electronically controlled seats and backs can be individually adjusted.
  • It is the most graceful of birds in flight and its body curvatures and wing span excite all who witness it.
1.1 Geometry The degree to which a curve deviates from a straight line, or a curved surface deviates from a plane.
Example sentences
  • This illustrates around the periphery the effects of vignetting - loss of brightness and focus - and curvature of straight lines, typical of camera obscura images generally.
  • In fact the work was of such quality that Weingarten received a prize for work on the lines of curvature of a surface in 1857.
  • Joachimsthal surfaces are named after him, these have a family of plane lines of curvature within the plane of a pencil.
1.2A numerical quantity expressing curvature.
Example sentences
  • A deeper characterization of a helix is that it is the unique curve in 3-space for which the ratio of curvature to torsion is a constant, a result known as Lancret's Theorem.
  • Therefore, origami models have constant zero Gauss curvature at each interior vertex.
  • Among other results, he classified simply connected Riemannian 3-manifolds of constant curvature in this thesis.


Late Middle English: via Old French from Latin curvatura, from curvare (see curve).

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