Definition of Concave. Meaning of Concave. Synonyms of Concave

Here you will find one or more explanations in English for the word Concave. Also in the bottom left of the page several parts of wikipedia pages related to the word Concave and, of course, Concave synonyms and on the right images related to the word Concave.

Definition of Concave

Concave
Concave Con"cave (k[o^][ng]*k[=a]*v" or k[o^]n"-; 277), a. [L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.] 1. 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. 2. Hollow; void of contents. [R.] As concave . . . as a worm-eaten nut. --Shak.
Concave
Concave Con"cave, n. [L. concavum.] 1. A hollow; an arched vault; a cavity; a recess. Up to the fiery concave towering hight. --Milton. 2. (Mech.) A curved sheath or breasting for a revolving cylinder or roll.
Concave
Concave Con"cave, v. t. [imp. & p. p. concaved; p. pr. & vb. n. Concaving.] To make hollow or concave.

Meaning of Concave from wikipedia

- Concave means curving in or hollowed inward, as opposed to convex. Concave may refer to: Concave function, the negative of a convex function Concave lens...
- mathematics, a concave function is the negative of a convex function. A concave function is also synonymously called concave downwards, concave down, convex...
- A simple polygon that is not convex is called concave, non-convex or reentrant. A concave polygon will always have at least one reflex interior angle—that...
- reflecting surface. The surface may be either convex (bulging outward) or concave (recessed inward). Most curved mirrors have surfaces that are shaped like...
- lens with two concave surfaces is biconcave (or just concave). If one of the surfaces is flat, the lens is plano-convex or plano-concave depending on the...
- defined on an n-dimensional interval is called convex (or convex downward or concave upward) if the line segment between any two points on the graph of the...
- Convex and Concave is a lithograph print by the Dutch artist M. C. Escher, first printed in March 1955. It depicts an ornate architectural structure with...
- (self-intersecting), also called crossed. Simple quadrilaterals are either convex or concave. The interior angles of a simple (and planar) quadrilateral ABCD add up...
- Log-concave may refer to: Logarithmically concave function Logarithmically concave measure Logarithmically concave sequence...
- analysis, a non-negative function f : Rn → R+ is logarithmically concave (or log-concave for short) if its domain is a convex set, and if it satisfies the...
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