Synonyms of 'curvature'
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An arc is a smoothly curving line or movement.
The 71 offices are spread out in an arc around London.
A bend in a road, pipe, or other long thin object is a curve or angle in it.
The crash occurred on a sharp bend.
Thesaurus for curvature from the Collins English Thesaurus
The curvature of something is its curved shape , especially when this shape is part of the circumference of a circle.