| 词汇 | convexity |
| 释义 | convexity noun[ C or U ] uk /kənˈvek.sə.ti/ us /kənˈvek.sə.t̬i/ the quality of curving out, or an object or surface that curves out: Any change in the convexity of a lens will alter its focal length. The figures of two children emerged above the convexity of the hill. Related word convex Compare concavity The convexity of his glasses was so slight that you could barely notice it. The stomach is shaped like a banana with the convexity facing downwards. She removed a little material around the edge to give it some convexity. Geometry: properties of circles & curves amplitude arched bore circularity circumferential concave concavity concentric concentrically conic curvy domed eccentric girth lenticular lentiform osculate parabolic rectifiable spiral |
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