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Concentric :: Concentric (a.) Alt. of Concentrica.

Malachite :: Malachite (n.) Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure..

Concentricity :: Concentricity (n.) The state of being concentric.

Crown :: Crown (n.) The area inclosed between two concentric perimeters.

Lithophyse :: Lithophyse (n.) A spherulitic cavity often with concentric chambers, observed in some volcanic rocks, as in rhyolitic lavas. It is supposed to be produced by expanding gas, whence the name..

Telescopical :: Telescopical (a.) Having the power of extension by joints sliding one within another, like the tube of a small telescope or a spyglass; especially (Mach.), constructed of concentric tubes, either stationary, as in the telescopic boiler, or movable, as in the telescopic chimney of a war vessel, which may be put out of sight by being lowered endwise..

Cone-in-cone :: Cone-in-cone (a.) Consisting of a series of parallel cones, each made up of many concentric cones closely packed together; -- said of a kind of structure sometimes observed in sedimentary rocks..

Concentric :: Concentric (n.) That which has a common center with something else.

Zoned :: Zoned (a.) Having zones, or concentric bands; striped..

Cassiterite :: Cassiterite (n.) Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; also massive, sometimes in compact forms with concentric fibrous structure resembling wood (wood tin), also in rolled fragments or pebbly (Stream tin). It is the chief source of metallic tin. See Black tin, under Black..

Concentrical :: Concentrical (a.) Having a common center, as circles of different size, one within another..

Rainbow :: Rainbow (n.) A bow or arch exhibiting, in concentric bands, the several colors of the spectrum, and formed in the part of the hemisphere opposite to the sun by the refraction and reflection of the sun's rays in drops of falling rain..

Eccentric :: Eccentric (a.) Not having the same center; -- said of circles, ellipses, spheres, etc., which, though coinciding, either in whole or in part, as to area or volume, have not the same center; -- opposed to concentric..

Krupp Gun :: Krupp gun () A breech-loading steel cannon manufactured at the works of Friedrich Krupp, at Essen in Prussia. Guns of over eight-inch bore are made up of several concentric cylinders; those of a smaller size are forged solid..

Bude Burner :: Bude burner () A burner consisting of two or more concentric Argand burners (the inner rising above the outer) and a central tube by which oxygen gas or common air is supplied.

Volt :: Volt (n.) A circular tread; a gait by which a horse going sideways round a center makes two concentric tracks.

Trica :: Trica (n.) An apothecium in certain lichens, having a spherical surface marked with spiral or concentric ridges and furrows..

Circination :: Circination (n.) A circle; a concentric layer.

Ring :: Ring (n.) The plane figure included between the circumferences of two concentric circles.

Primum Mobile :: Primum mobile () In the Ptolemaic system, the outermost of the revolving concentric spheres constituting the universe, the motion of which was supposed to carry with it all the inclosed spheres with their planets in a daily revolution from east to west. See Crystalline heavens, under Crystalline..

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