1 curvature | Definition of curvature

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

According to Penrose’s model, a discrepancy in the curvature of space and time could accumulate during a superposition, eventually destroying it. Quanta Magazine, "Physicists Eye Quantum-Gravity Interface," 31 Oct. 2013 This is the new home for customers to earn their astronaut wings, by rocketing into the upper atmosphere aboard its fleet of SpaceShipTwo vehicles, see the curvature of the Earth and experience weightlessness. Richard Tribou, orlandosentinel.com, "Virgin Galactic gives inside look to new spaceport," 16 Aug. 2019 While general relativity regards gravity as the curvature of space, special explains the relationship between time and space. Ashley Strickland, CNN, "Hubble spies something mysterious around a supermassive black hole," 11 July 2019 Virgin Galactic already has about 700 customers ready to pay at least $250,000 for a 90-minute flight to the edge of space, allowing them to experience weightlessness and see the curvature of Earth. Bloomberg, latimes.com, "Richard Branson’s Virgin Galactic space-tourism venture is going public," 9 July 2019 When people look down at cell phones, laptops or tablets, the natural forward curvature in the cervical spine is reversed. Detroit Free Press, "Are phones causing 'tech neck' pain?," 22 July 2019 The horizon seems quite close to you, because the curvature is so much more pronounced than it -- here on Earth. Norah O'donnell, CBS News, ""Man on the Moon:" The 50th anniversary of the Apollo 11 landing," 16 July 2019 The problem was initially limited to high-flying aircraft; the signal is apparently ground-based, and the curvature of the Earth limits its effectiveness at longer ranges to higher-flying aircraft. Kyle Mizokami, Popular Mechanics, "Russia Is Disrupting GPS Signals and It’s Spilling into Israel," 1 July 2019 Scoliosis is an abnormal curvature of the spine that affects 2 to 3% of the population, or an estimated 7 million people in the United States, according to the National Scoliosis Foundation website. Karen Ann Cullotta, chicagotribune.com, "New Trier student hosts benefit concert for National Scoliosis Foundation," 1 July 2019

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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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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