1. The quality or state of being concave; a curved inward surface or hollow
The concavity of the mirror allowed it to focus light.
A concavidade do espelho permitiu que ele focasse a luz.
2. A concave surface or depression; an inward-curving shape
The concavity of the bowl made it suitable for holding liquids.
A concavidade da tigela a tornava adequada para conter líquidos.
3. In mathematics, the property of a function or curve that is concave
The concavity of the parabola changes at the vertex.
A concavidade da parábola muda no vértice.