Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of concave is as below...

Trochilus :: Trochilus (n.) An annular molding whose section is concave, like the edge of a pulley; -- called also scotia..

Cove :: Cove (n.) A concave molding.

Inshave :: Inshave (n.) A plane for shaving or dressing the concave or inside faces of barrel staves.

Concavity :: Concavity (n.) A concave surface, or the space bounded by it; the state of being concave..

Crescent :: Crescent (n.) The increasing moon; the moon in her first quarter, or when defined by a concave and a convex edge; also, applied improperly to the old or decreasing moon in a like state..

Biconcave :: Biconcave (a.) Concave on both sides; as, biconcave vertebrae..

Convexo-concave :: Convexo-concave (a.) Convex on one side, and concave on the other. The curves of the convex and concave sides may be alike or may be different. See Meniscus..

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..

Depress :: Depress (a.) Having the middle lower than the border; concave.

Ichthyosaurus :: Ichthyosaurus (n.) An extinct genus of marine reptiles; -- so named from their short, biconcave vertebrae, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oolitic, and Cretaceous formations..

Opisthocoelous :: Opisthocoelous (a.) Concave behind; -- applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.

Vaulty :: Vaulty (a.) Arched; concave.

Saddle-backed :: Saddle-backed (a.) Having the outline of the upper part concave like the seat of a saddle.

Efflower :: Efflower (v. t.) To remove the epidermis of (a skin) with a concave knife, blunt in its middle part, -- as in making chamois leather..

Concave :: Concave (n.) A curved sheath or breasting for a revolving cylinder or roll.

Cove :: Cove (n.) A member, whose section is a concave curve, used especially with regard to an inner roof or ceiling, as around a skylight..

Rhynchocephala :: Rhynchocephala (n. pl.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia..

Talon :: Talon (n.) A kind of molding, concave at the bottom and convex at the top; -- usually called an ogee..

Tocororo :: Tocororo (n.) A cuban trogon (Priotelus temnurus) having a serrated bill and a tail concave at the end.

Myopia :: Myopia (n.) Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens..

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