ALL meanings of concave
con·cave
C c - adjective concave A surface that is concave curves inwards in the middle. 3
- adjective concave curving inwards 3
- adjective concave having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc 3
- adjective concave (of a polygon) containing an interior angle greater than 180° 3
- verb concave to make concave 3
- adjective concave hollow and curved like the inside of a bowl 3
- noun concave a concave surface, line, object, etc. 3
- noun concave Having an outline or surface that curves inward like the interior of a circle or sphere. 1
- adjective concave curved inwards 1
- adjective concave curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Compare convex (def 1). 1
- adjective concave Geometry. (of a polygon) having at least one interior angle greater than 180°. 1
- adjective concave Obsolete. hollow. 1
- noun concave a concave surface, part, line, or thing. 1
- noun concave Machinery. a concave piece, as one against which a drum rotates. 1
- verb with object concave to make concave. 1
- noun concave A concave surface or curve. 0
- noun concave The vault of the sky. 0
- noun concave One of the celestial spheres of the Ptolemaic or geocentric model of the world. 0
- noun concave (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting. 0
- noun concave (surfing) An indentation running along the base of a surfboard, intended to increase lift. 0
- noun concave (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength. 0
- verb concave To render concave, or increase the degree of concavity. 0
- adjective concave curved like the inner surface of a sphere or bowl. 0
- adjective concave (geometry, not comparable, of a polygon) not convex; having at least one internal angle greater than 180 degrees. 0
- adjective concave (functional analysis, not comparable, of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function. 0
- adjective concave hollow; empty. 0