curvature

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun (medicine) a curving or bending; often abnormal
noun the rate of change (at a point) of the angle between a curve and a tangent to the curve
noun the property possessed by the curving of a line or surface

From Latin curvare, from Latin curvatura. See also curve. Displaced native Old English ġebīeġednes.

You’ll get curvature of the spine. — Ulysses, James Joyce
Picture to yourself the unilateral development, the imminent danger of a spinal curvature. — The Valley of Fear, Arthur Conan Doyle
The knees are retained in their proper curvature by cords around the ends. — The Prairie Traveler: A Hand-book for Overland Expeditions, Randolph B. (Randolph Barnes) Marcy

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