Definiciones
1.AdjectiveCurved like the inner surface of a sphere or bowl.
2.AdjectiveNot convex; having at least one internal angle greater than 180 degrees.
3.AdjectiveSatisfying the property that all segments connecting two points on the function's graph lie below the function.
4.AdjectiveHollow; empty.
5.NounA concave surface or curve.
6.NounThe vault of the sky.
7.NounOne of the celestial spheres of the Ptolemaic or geocentric model of the world."Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."
8.NounAn element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
9.NounAn indentation running along the base of a surfboard, intended to increase lift.
10.NounAn indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
11.NounA playing card made concave for use in cheating.
12.VerbTo render concave, or increase the degree of concavity.