Concavo-concave and Convexo-concave

Concavo-concave adjective - Concave on both sides.

Convexo-concave and concavo-concave are semantically related. In some cases you can use "Convexo-concave" instead an adjective phrase "Concavo-concave".

Convexo-concave adjective - Convex on one side and concave on the other with the convexity being greater than the concavity.

Concavo-concave and convexo-concave are semantically related. Sometimes you can replace phrase "Concavo-concave" with "Convexo-concave", this phrases are similar.