curvature

noun
cur·​va·​ture | \ ˈkər-və-ˌchu̇r How to pronounce curvature (audio) , -chər, -ˌtyu̇r, -ˌtu̇r\

Definition of curvature

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
3a : an abnormal curving (as of the spine)
b : a curved surface of an organ

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Synonyms for curvature

Synonyms

angle, arc, arch, bend, bow, crook, curve, inflection, turn, wind

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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
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Recent Examples on the Web

Offering six reclining seats accompanied by large windows to soak up the sights of going to the edge of space, the New Shepard will provide its riders with a few minutes’ worth of weightlessness and a view of the curvature of the Earth. Vlad Savov, The Verge, "A ticket on Jeff Bezos’ space tourism rocket will cost at least $200,000," 13 July 2018 Gravitational waves travel at the speed of light, but since the detectors are so far apart, there should be a slight time lag and a small adjustment in amplitude to account for the curvature of the Earth. Jennifer Ouellette, Ars Technica, "No more doubts: Two independent studies confirm LIGO’s Nobel discovery," 16 Dec. 2018 A week after her initial post, Kunakey shared a snap of herself poolside in a two piece that played up the curvature of her stomach amidst a sea of palm trees. Lauren Valenti, Vogue, "This French Model’s Beach Snaps Are Pregnancy Body Confidence at Its Finest," 1 Feb. 2019 Then, by comparing this measured mass with the measured curvature of space-time, the team found what general relativity predicts for this mass, or galaxy. Chelsea Gohd, Space.com, "Einstein Was Right! Scientists Confirm General Relativity Works With Distant Galaxy," 21 June 2018 Designers and engineers waited for his blessing on headlamps and car-body curvatures. James R. Hagerty, WSJ, "Sergio Marchionne Sweated Small Stuff and Slashed Bureaucracy at Fiat Chrysler," 27 July 2018 The model was so vast that design of the panels had to account for the curvature of the earth. Nate Berg, Curbed, "Can engineering save Louisiana’s coastline?," 7 Nov. 2018 Besides that enormous display resolution, you’ll be immersed by whatever is on-screen, thanks to the 3800R curvature with 109 pixels-per-inch and 100 percent sRGB support for accurate colors. Stefan Etienne, The Verge, "Dell unveils the first 49-inch ultra-wide monitor with QHD resolution," 15 Oct. 2018 In addition to measuring the space-time curve, the researchers had to determine the galaxy's mass, because general relativity predicts how much curvature is created by a mass. Chelsea Gohd, Space.com, "Einstein Was Right! Scientists Confirm General Relativity Works With Distant Galaxy," 21 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'curvature.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of curvature

1603, in the meaning defined at sense 1

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Statistics for curvature

Last Updated

16 Apr 2019

Look-up Popularity

Time Traveler for curvature

The first known use of curvature was in 1603

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More Definitions for curvature

curvature

noun

English Language Learners Definition of curvature

technical : the amount that something is curved
medical : a condition in which your spine is curved in an abnormal way

curvature

noun
cur·​va·​ture | \ ˈkər-və-ˌchu̇r How to pronounce curvature (audio) \

Kids Definition of curvature

: a part having a somewhat round shape

curvature

noun
cur·​va·​ture | \ ˈkər-və-ˌchu̇(ə)r, -chər, -ˌt(y)u̇(ə)r How to pronounce curvature (audio) \

Medical Definition of curvature

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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Comments on curvature

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