For Concave we have terms and definitions in 7 topics. The topics are Finance, International Economics, Real Time 3D, Surf, William Shakespeare, Wind Energy and Woodworking.

Concave (Finance)

Property that a curve is below a straight line connecting two end points. If the curve falls above the straight line, it is called convesity.

Concave (International Economics)

Said of a curve that bulges away from some reference point, usually the horizontal axis or the origin of a diagram. More formally, a curve is concave from below (or concave to something below it) if all straight lines connecting points on it lie on or below it. Contrasts with convex.

Concave (Real Time 3D)

A certain kind of shape, opposite of convex. If any two points can be connectd by a line that goes outside the shape, the shape is concave. The letter C is a concave shape. An easy way to remember concave is thinking of it being like a hill with a cave in it. If you put a straight line between a gold nugget in the floor and a diamond in the ceiling, the line is not inside the hill anymore (it is in the air not in the earth). The word concave means "with a cavity."

Concave (Surf)

Design feature involving a slight scooping out of an area of the board, usually the bottom from rail to rail, during the shaping process. Concave is a paradox because it provides both lift (a skatey freeing up of the board) and drive (from pressure on the water along the exit rail).

Concave (William Shakespeare)

Hollow.

Concave (Wind Energy)

A surface curved like the interior of a circle or sphere.

Concave (Woodworking)

An inward-curving shape. (i.e. a spoon)

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