curvature

[kur-vuh-cher, -choor]

noun

1. the act of curving or the state of being curved.

2. a curved condition, often abnormal.

   curvature of the spine.

3. the degree of curving of a line or surface.

4. Geometry.

   1. (at a point on a curve) the derivative of the inclination of the tangent with respect to arc length.

   2. the absolute value of this derivative.

5. something curved.

curvature

/ ˈkɜːvətʃə /

noun

1. something curved or a curved part of a thing

2. any normal or abnormal curving of a bodily part

   curvature of the spine

3. geometry the change in inclination of a tangent to a curve over unit length of arc. For a circle or sphere it is the reciprocal of the radius See also radius of curvature centre of curvature

4. the act of curving or the state or degree of being curved or bent

Word History and Origins

Origin of curvature¹

1375–1425; late Middle English < Latin curvātūra, equivalent to curvāt ( us ) past participle of curvāre to bend, curve + -ūra -ure. See -ate ¹

Example Sentences

These lenses contained a fluid-filled membrane, which when compressed in response to dial adjustments would alter its curvature.

From BBC

Teesside Coroner's Court was told how in late 2016, Ms Whiting - who suffered from a curvature of the spine - missed a benefits assessment after being admitted to hospital with pneumonia.

From BBC

Surgeons inserted titanium rods into her spine to correct a curvature caused by scoliosis when she was 12 years old and she spent 10 days on her back after the operation.

From BBC

She had physical health issues including bowel problems and a curvature of the spine.

From BBC

The plans call for a swooping design complementary of the stylish curvature of their stadium.

From Los Angeles Times