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See under T.

product of the blast furnace; -- used for making castings, and for conversion into wrought iron and steel. It can not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc.

To subject to great heat, and then cool slowly, as glass, cast iron, steel, or other metal, for the purpose of rendering it less brittle; to temper; to toughen.

A piece of soft iron used to connect the two poles of a magnet, or electro-magnet, in order to complete the circuit, or to receive and apply the magnetic force. In the ordinary horseshoe magnet, it serves to prevent the dissipation of the magnetic force.

To strike repeatedly; to lay repeated blows upon; as, to beat one's breast; to beat iron so as to shape it; to beat grain, in order to force out the seeds; to beat eggs and sugar; to beat a drum. Thou shalt beat some of it [spices] very small. Ex. xxx. 36. They did beat the gold into thin plates. Ex. xxxix. 3.…

a green dye, and similar to Prussian blue. -- Berlin iron, a very fusible variety of cast iron, from which figures and other delicate articles are manufactured. These are often stained or lacquered in imitation of bronze. -- Berlin shop, a shop for the sale of worsted embroidery and the materials for such work. --…

Steel made directly from cast iron, by burning out a portion of the carbon and other impurities that the latter contains, through the agency of a blast of air which is forced through the molten metal; -- so called from Sir Henry Bessemer, an English engineer, the inventor of the process.

To cover (sheet iron) with a coating of tin.

ister; -- usually made of Spanish flies. -- Blister steel, crude steel formed from wrought iron by cementation; -- so called because of its blistered surface. Called also blistered steel. -- Blood blister. See under Blood.

A mass of wrought iron from the Catalan forge or from the puddling furnace, deprived of its dross, and shaped usually in the form of an oblong block by shingling.

A furnace and forge in which wrought iron in the form of blooms is made directly from the ore, or (more rarely) from cast iron.

The process of making blooms from the ore or from cast iron.

A long wrought iron tube, on the end of which the workman gathers a quantity of "metal" (melted glass), and through which he blows to expand or shape it; -- called also blowing tube, and blowpipe.

A cylindrical or spool-shaped coil or insulated wire, usually containing a core of soft iron which becomes magnetic when the wire is traversed by an electrical current. Bobbin and fly frame, a roving machine. -- Bobbin lace, lace made on a pillow with bobbins; pillow lace.

A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes.

uthorizing him to pilot vessels in certain waters. Branches of a bridle, two pieces of bent iron, which bear the bit, the cross chains, and the curb. -- Branch herring. See Alewife. -- Root and branch , totally, wholly.

A mark made by burning with a hot iron, as upon a cask, to designate the quality, manufacturer, etc., of the contents, or upon an animal, to designate ownership; -- also, a mark for a similar purpose made in any other way, as with a stencil. Hence, figurately: Quality; kind; grade; as, a good brand of flour.…

The sheet iron casing at the end of boilers to convey the smoke from the flues to the smokestack.

speculation, etc. -- To burn out, to destroy or obliterate by burning. "Must you with hot irons burn out mine eyes" Shak. -- To be burned out, to suffer loss by fire, as the burning of one's house, store, or shop, with the contents. -- To burn up, To burn down, to burn entirely.

The process of breaking up the flat masses into which wrought iron is first hammered, in order that the pieces may be reheated and wrought into bar iron.