Definition of concave

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

Lern More About Concave

Cup :: Cup (v. t.) To make concave or in the form of a cup; as, to cup the end of a screw..
Concaved :: Concaved (a.) Bowed in the form of an arch; -- called also arched.
Vessel :: Vessel (n.) A hollow or concave utensil for holding anything; a hollow receptacle of any kind, as a hogshead, a barrel, a firkin, a bottle, a kettle, a cup, a bowl, etc..
Convex :: Convex (a.) Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; -- said of a spherical surface or curved line when viewed from without, in opposition to concave..
Dish :: Dish (v. t.) To make concave, or depress in the middle, like a dish; as, to dish a wheel by inclining the spokes..
Saddle-backed :: Saddle-backed (a.) Having the outline of the upper part concave like the seat of a saddle.
Hypocycloid :: Hypocycloid (n.) A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid..
Palm :: Palm (n.) The inner and somewhat concave part of the hand between the bases of the fingers and the wrist.
Saddleback :: Saddleback (n.) Anything saddle-backed; esp., a hill or ridge having a concave outline at the top..
Opisthocoelous :: Opisthocoelous (a.) Concave behind; -- applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.
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..
Concaved :: Concaved (imp. & p. p.) of Concav.
Cavetto :: Cavetto (n.) A concave molding; -- used chiefly in classical architecture. See Illust. of Column.
Scotia :: Scotia (n.) A concave molding used especially in classical architecture.
Concavation :: Concavation (n.) The act of making concave.
Concavo-convex :: Concavo-convex (a.) Concave on one side and convex on the other, as an eggshell or a crescent..
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..
Concavous :: Concavous (a.) Concave.
Castanets :: Castanets (n. pl.) Two small, concave shells of ivory or hard wood, shaped like spoons, fastened to the thumb, and beaten together with the middle finger; -- used by the Spaniards and Moors as an accompaniment to their dance and guitars..
Inshave :: Inshave (n.) A plane for shaving or dressing the concave or inside faces of barrel staves.
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