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An assemblage of three or more pieces of timber, or a metal member, forming a frame around an opening, and serving to maintain the integrity of that opening; also, a ring of stone serving a similar purpose, as at the eye of a dome.

ountry; a specie currency; esp., government or bank notes circulating as a substitute for metallic money.

A kind of card or comb having rows of metallic teeth or serrated ridges, used in curryng a horse.

earance of watering, and proverbial for excellence. -- Damascus iron, or Damascus twist, metal formed of thin bars or wires of iron and steel elaborately twisted and welded together; used for making gun barrels, etc., of high quality, in which the surface, when polished and acted upon by acid, has a damasc appearance.…

with inlaid lines of gold, etc., or with a peculiar marking or "water," as metal. See Damaskeen. Mingled metal damasked o'er with gold. Dryde On the soft, downy bank, damasked with flowers. Milton.

e process of manufacture, or with designs produced by inlaying or incrusting with another metal, as silver or gold, or by etching, etc., to damask. Damaskeening is is partly mosaic work, partly engraving, and partly carving. Ure.

A rare metallic element found in platinum ore. It is a white malleable substance. Symbol Da. Atomic weight 154.

Anything decompounded. Decomposites of three metals or more. Bacon.

by the action of intense heat; to burn or vaporize suddenly; as, to deflagrate refractory metals in the oxyhydrogen flame.

uld seem to be more fine in their houses than their neighbors, -- are only of the Corinth metal. Holland.

One who refines metals by separation. [Obs.]

A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.

A metal or plate (often one of a pair) so cut or shaped as to give a certain desired form to, or impress any desired device on, an object or surface, by pressure or by a blow; used in forging metals, coining, striking up sheet metal, etc.

The sound of, or as of, repeated strokes on a metallic body, as a bell; a repeated and monotonous sound.

An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide. [Obs.] Carbon dioxide. See Carbonic acid, under Carbonic.

The process of cleaning or brightening sheet metal or metalware, esp. brass, by dipping it in acids, etc.

ch is perpendicular to the line of troops or to the parapet aimed at. -- Direct process (Metal.), one which yields metal in working condition by a single process from the ore. Knight. -- Direct tax, a tax assessed directly on lands, etc., and polls, distinguished from taxes on merchandise, or customs, and from excise…

powder of individuality. Burke. This restriction disconnects bank paper and the precious metals. Walsh.

A flat, circular plate; as, a disk of metal or paper.

The difference between the thickness of the metal at the mouth and at the breech of a piece of ordnance. On account of the dispart, the line of aim or line of metal, which is in a plane passing through the axis of the gun, always makes a small angle with the axis. Eng. Cys.