Definitions for "Concavity"
Keywords:  inward, curves, shadows, bends, teeth
The wall of the part curves inwards.
a shape that curves or bends inward
Hollowed or rounded inward. Causes shadows on the surface of teeth.
A concave surface, or the space bounded by it; the state of being concave.
a polygon bounded by the CP and the minimal-area convex polygon which circumscribes it (its convex hull )
A weld that falls below the intended perpendicular plane.
Keywords:  possessed, shape, property
the property possessed by a concave shape