Concatenation :: Concatenation (n.) A series of links united; a series or order of things depending on each other, as if linked together; a chain, a succession..
Concave :: Concave (a.) 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..
Concavity :: Concavity (n.) A concave surface, or the space bounded by it; the state of being concave..
Concavo-concave :: Concavo-concave (a.) Concave or hollow on both sides; double concave.
Concavo-convex :: Concavo-convex (a.) Concave on one side and convex on the other, as an eggshell or a crescent..
Concavo-convex :: Concavo-convex (a.) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens..
Conceal :: Conceal (v. t.) To hide or withdraw from observation; to cover; to cover or keep from sight; to prevent the discovery of; to withhold knowledge of.