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A sulphide having two atoms of sulphur in the molecule; a disulphide, as in iron pyrites, FeS2; -- less frequently called bisulphuret.

The part of a bridle, usually of iron, which is inserted in the mouth of a horse, and having appendages to which the reins are fastened. Shak. The foamy bridle with the bit of gold. Chaucer.

An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.

A smith who works in iron with a forge, and makes iron utensils, horseshoes, etc. The blacksmith may forge what he pleases. Howell.

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

o which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.

s mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous.

Used euphemistically, ironically, or intensively. Not a blessed man came to set her [a boat] free. R. D. Blackmore.

ter; -- 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 variety of clay ironstone, in Staffordshire, England, used for making tools.

Hematite, an ore of iron yielding a blood red powder or "streak."

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.

onding to the planets. [Obs.] Sol gold is, and Luna silver we threpe (=call), Mars yren (=iron), Mercurie quicksilver we clepe, Saturnus lead, and Jupiter is tin, and Venus coper. Chaucer. -- Body snatcher, one who secretly removes without right or authority a dead body from a grave, vault, etc.; a resurrectionist. --…

ame as Sphagnum. -- Bog myrtle (Bot.), the sweet gale. -- Bog ore. (Min.) (a) An ore of iron found in boggy or swampy land; a variety of brown iron ore, or limonite. (b) Bog manganese, the hydrated peroxide of manganese. -- Bog rush (Bot.), any rush growing in bogs; saw grass. -- Bog spavin. See under Spavin.…

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.

A kind of missile weapon consisting of one, two, or more balls of stone, iron, or other material, attached to the ends of a leather cord; -- used by the Gauchos of South America, and others, for hurling at and entangling an animal.