Concave

File:Convex polygon illustration2.png

A concave set (it has a dent).

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List of terms related to Concave

The word concave means curving in or hollowed inward. The term is most commonly used to refer to:

• Concave lens, a lens with inward-curving (concave) surfaces.
• Concave polygon, a polygon which is not convex.
• Concave function, a type of function which is related to convex functions.
• Concave mirror

In addition, the term concave upwards is used for convex functions, and concave downwards for concave functions.

See also

• Convex — the opposite of concave.

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