Concave vs. Convex
Concaveadjective
curved like the inner surface of a sphere or bowl
Concaveadjective
not convex; having at least one internal angle greater than 180 degrees..
Concaveadjective
satisfying the property that all segments connecting two points on the function's graph lie below the function.
Concaveadjective
hollow; empty
Concavenoun
A concave surface or curve.
Concavenoun
The vault of the sky.
Concavenoun
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
Concavenoun
(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
Concavenoun
(surfing) An indentation running along the base of a surfboard, intended to increase lift.
Concavenoun
(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
Concaveverb
To render concave, or increase the degree of concavity.
Concaveadjective
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.
Concaveadjective
Hollow; void of contents.
Concavenoun
A hollow; an arched vault; a cavity; a recess.
Concavenoun
A curved sheath or breasting for a revolving cylinder or roll.
Concaveverb
To make hollow or concave.
Concaveadjective
curving inward
Convexadjective
curved or bowed outward like the outside of a bowl or sphere or circle
Convexadjective
arranged such that for any two points in the set, a straight line between the two points is contained within the set.
Convexadjective
having no internal angles greater than 180 degrees.
Convexadjective
having an epigraph which is a convex set.
Convexnoun
Any convex body or surface.
Convexadjective
Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; - said of a spherical surface or curved line when viewed from without, in opposition to concave.
Convexnoun
A convex body or surface.
Convexadjective
curving or bulging outward
