Definition of concave

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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..

Lern More About Concave

Amphicoelous :: Amphicoelous (a.) Having both ends concave; biconcave; -- said of vertebrae.
Subconformable :: Subconcave (a.) Slightly concave.
Condyle :: Condyle (n.) A bony prominence; particularly, an eminence at the end of a bone bearing a rounded articular surface; -- sometimes applied also to a concave articular surface..
Concave :: Concave (v. t.) To make hollow or concave.
Plano- :: Plano- (a.) Combining forms signifying flat, level, plane; as planifolious, planimetry, plano-concave..
Dish :: Dish (n.) The state of being concave, or like a dish, or the degree of such concavity; as, the dish of a wheel..
Plano-concave :: Plano-concave (a.) Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens..
Dish :: Dish (v. t.) To make concave, or depress in the middle, like a dish; as, to dish a wheel by inclining the spokes..
Lieberkuhn :: Lieberkuhn (n.) A concave metallic mirror attached to the object-glass end of a microscope, to throw down light on opaque objects; a reflector..
Cope :: Cope (n.) Anything regarded as extended over the head, as the arch or concave of the sky, the roof of a house, the arch over a door..
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..
Scotia :: Scotia (n.) A concave molding used especially in classical architecture.
Dishing :: Dishing (a.) Dish-shaped; concave.
Cove :: Cove (n.) A concave molding.
Gorge :: Gorge (n.) A concave molding; a cavetto.
Belemnite :: Belemnite (n.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages..
Bowl :: Bowl (n.) A concave vessel of various forms (often approximately hemispherical), to hold liquids, etc..
Saddleback :: Saddleback (n.) Anything saddle-backed; esp., a hill or ridge having a concave outline at the top..
Gullet :: Gullet (n.) A concave cut made in the teeth of some saw blades.
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