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convexo concave - translation to greek
NEGATIVE OF A CONVEX FUNCTION
Concave down; Concave downwards; Concave downward; Concave-down; Concave functions; Strictly concave function; Concave surface; Concave (function)
convexo concave
κοιλόκυρτος
κοιλόκυρτος
convexo-concave
concave mirror
![A concave mirror diagram showing the focus, [[focal length]], centre of curvature, principal axis, etc.](https://commons.wikimedia.org/wiki/Special:FilePath/Concave mirror.svg?width=200 "A concave mirror diagram showing the focus, [[focal length]], centre of curvature, principal axis, etc.")
![A convex mirror diagram showing the focus, [[focal length]], centre of curvature, principal axis, etc.](https://commons.wikimedia.org/wiki/Special:FilePath/Convex mirror1.svg?width=200 "A convex mirror diagram showing the focus, [[focal length]], centre of curvature, principal axis, etc.")
![Detail of the convex mirror in the ''[[Arnolfini Portrait]]''](https://commons.wikimedia.org/wiki/Special:FilePath/The Arnolfini Portrait, détail (2).jpg?width=200 "Detail of the convex mirror in the ''[[Arnolfini Portrait]]''")
![A virtual image in a [[Christmas bauble]].](https://commons.wikimedia.org/wiki/Special:FilePath/UserRedCoat.JPG?width=200 "A virtual image in a [[Christmas bauble]].")
MIRROR WITH A CURVED REFLECTING SURFACE
Spherical reflector; Concave mirror; Convex mirrors; Convex mirror; Concave mirrors; Curved mirrors; Spherical mirror; Spherical Mirror; Gaussian formula; Spherical mirrors; Gaussian Formula; Fisheye mirror; Fish eye mirror; Bubble mirror; "spot mirror"; Spot mirror; Oeil de Sorcière; Hallway safety mirror; Safety mirror; Shaving mirror; Spherical reflection
κοίλος καθρέφτης
Definition
Concave
·adj Hollow; void of contents.
II. Concave ·vt To make hollow or concave.
III. Concave ·noun A hollow; an arched vault; a cavity; a recess.
IV. Concave ·noun A curved sheath or breasting for a revolving cylinder or roll.
V. Concave ·adj Hollow and curved or rounded; vaulted;
- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.
Wikipedia
Concave function
In mathematics, a concave function is the negative of a convex function. A concave function is also synonymously called concave downwards, concave down, convex upwards, convex cap, or upper convex.
