convexo-concave
adjective
- convex on one side and concave on the other
- 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
See convexo-concave in American Heritage Dictionary 4
(kən-vĕkˌsō-kən-kāvˈ)
adjective- Convex on one side and concave on the other.
- Having greater curvature on the convex side than on the concave side. Used of a lens.
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