curvature

noun

cur·​va·​ture ˈkər-və-ˌchu̇r How to pronounce curvature (audio)
-chər, 
-ˌtyu̇r, 
-ˌtu̇r
Synonyms of curvaturenext
1
: the act of curving : the state of being curved
2
: a measure or amount of curving
specifically : the rate of change of the angle through which the tangent to a curve turns in moving along the curve and which for a circle is equal to the reciprocal of the radius
3
a
: an abnormal curving (as of the spine)
b
: a curved surface of an organ

Examples of curvature in a Sentence

The lenses have different curvatures. the curvature of the earth The machine measures the eyeball's degree of curvature. a disease that can cause curvature of the spine
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Related Articles This design, hailing from the mind of Maximilian Davis, is flapper-esque, crafted without sleeves or curvature, a straight up-and-down style reminiscent of a garçonne dress. — Amina Ayoud, Footwear News, 25 Oct. 2026 Most recently introduced monitors of this size have a slight curvature. — Zackery Cuevas, PC Magazine, 15 Oct. 2026 Individual fibers can detect curvature along a line, but reconstructing an entire surface presents a greater challenge. — Aamir Khollam, Interesting Engineering, 9 Oct. 2026 Mike recalled that the effects of the disease were noticeable around the time of his 2011 wedding to Zara, and said his father’s physical decline had included curvature of the spine and subsequent medical problems. — Stephanie Petit, PEOPLE, 28 Sep. 2026 See All Example Sentences for curvature

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of curvature was in the 15th century

Browse Nearby Words

Cite this Entry

“Curvature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/curvature. Accessed 1 Nov. 2026.

Kids Definition

curvature

noun
1
: the act of curving : the state of being curved
2
: an abnormal curving
curvature of the spine

Medical Definition

1
: an abnormal curving (as of the spine) see kyphosis, scoliosis
2
: a curved surface of an organ (as the stomach) see greater curvature, lesser curvature

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