| 1. | Also, convexo-concave. concave on one side and convex on the other. |
| 2. | Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face. |
concavo-convex con·ca·vo-con·vex (kŏn-kā'vō-kŏn-věks')
adj.
Of or being concave on one surface and convex on the opposite surface.