con·ca·vo-con·vex /kɑnˈkevokɑnˈvɛks; ˈkɑn, kənˈ/
(a.)凹凸的,一面凹一面凸
concavo-convex 形容詞
Con·ca·vo-con·vex a.
1. Concave on one side and convex on the other, as an eggshell or a crescent.
2. Optics Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens.
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concavo-convex
adj : concave on one side and convex on the other with the
concavity being greater than the convexity