| 单词 | convexo-concave |
| 释义 | convexo-concave in British English (kənˌvɛksəʊkɒnˈkeɪv) adjective 1. having one side convex and the other side concave 2. (of a lens) having a convex face with greater curvature than the concave face Compare concavo-convex (sense 2) convexo-concave in American English (kɑnˌvɛksoʊkɑnˈkeɪv; kənˌvɛksoʊkɑnˈkeɪv) adjective 1. convex on one side and concave on the other 2. Optics designating a lens whose convex face has a greater degree of curvature than its concave face, so that the lens is thickest in the middle |
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