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...

Platycoelian :: Platycoelian (a.) Flat at the anterior and concave at the posterior end; -- said of the centra of the vertebrae of some extinct dinouaurs.

Teleosaur :: Teleosaur (n.) Any one of several species of fossil suarians belonging to Teleosaurus and allied genera. These reptiles are related to the crocodiles, but have biconcave vertebrae..

Cavetto :: Cavetto (n.) A concave molding; -- used chiefly in classical architecture. See Illust. of Column.

Vaulted :: Vaulted (a.) Arched; concave; as, a vaulted roof..

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

Concavation :: Concavation (n.) The act of making concave.

Hypotrochoid :: Hypotrochoid (n.) A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid..

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

Lunette :: Lunette (n.) A kind of watch crystal which is more than ordinarily flattened in the center; also, a species of convexoconcave lens for spectacles..

Meniscus :: Meniscus (n.) A lens convex on one side and concave on the other.

Saddleback :: Saddleback (n.) Anything saddle-backed; esp., a hill or ridge having a concave outline at the top..

Subconformable :: Subconcave (a.) Slightly concave.

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

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

Roach-backed :: Roach-backed (a.) Having a back like that of roach; -- said of a horse whose back a convex instead of a concave curve.

Gorge :: Gorge (n.) A concave molding; a cavetto.

Dishing :: Dishing (a.) Dish-shaped; concave.

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

Dish :: Dish (v. t.) To make concave, or depress in the middle, like a dish; as, to dish a wheel by inclining the spokes..

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..

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