Search the Dictionary

The operation of embossing sheet metal, or of forming it into cup- shaped or hollow articles, by hammering, stamping, or spinning. Raising bee, a bee for raising the frame of a building. See Bee, n.,

In the United States navy, designating such a gun using fixed ammunition or metallic cartridge cases; -- distinguished from breech- loading (abbr. B. L.), applied to all guns loading with the charge in bags, and formerly from quick-fire. Rapid-fire guns in the navy also sometimes include automatic or semiautomatic rapi…

Not trimmed, covered, or folded under; as, the raw edge of a piece of metal or of cloth.

To bevel out, as the mouth of a hole in wood or metal; in modern usage, to enlarge or dress out, as a hole, with a reamer.

To bring to the metallic state by separating from impurities; hence, in general, to remove oxygen from; to deoxidize; to combine with, or to subject to the action of, hydrogen; as, ferric iron is reduced to ferrous iron; or metals are reduced from their ores; -- opposed to Ant: oxidize.

a & n. from Reduce. Reducing furnace (Metal.), a furnace for reducing ores. -- Reducing pipe fitting, a pipe fitting, as a coupling, an elbow, a tee, etc., for connecting a large pipe with a smaller one. -- Reducing valve, a device for automatically maintaining a diminished pressure of steam, air, gas, etc., in a pip…

One of the thin pieces of metal, the vibration of which produce the tones of a melodeon, accordeon, harmonium, or seraphine; also attached to certain sets or registers of pipes in an organ.

To cut deeper, as engraved lines on a plate of metal, when the engraving has not been deep enough, or the plate has become worn in printing.

The act of refining, or the state of being refined; as, the refinement or metals; refinement of ideas. The more bodies are of kin to spirit in subtilty and refinement, the more diffusive are they. Norris. From the civil war to this time, I doubt whether the corruptions in our language have not equaled its refinements.…

The building and apparatus for refining or purifying, esp. metals and sugar.

To bend back; to give a backwaas, a mirror reflects rays of light; polished metals reflect heat. Let me mind the reader to reflect his eye on our quotations. Fuller. Bodies close together reflect their own color. Dryden.

Luster; special brilliancy of surface; -- used esp. in ceramics to denote the peculiar metallic brilliancy seen in lustered pottery such as majolica; as, silver reflet; gold reflet.

ng ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.

New or repeated melting, as of metals.

n; tending to regenerate; as, regenerative influences. H. Bushnell. Regenerative furnace (Metal.), a furnace having a regenerator in which gas used for fuel, and air for supporting combustion, are heated; a Siemens furnace.

A strip of wood or metal of the height of a quadrat, used for regulating the space between pages in a chase, and also for spacing out title-pages and other open matter. It is graded to different sizes, and designated by the name of the type that it matches; as, nonpareil reglet, pica reglet, and the like.…

To reduce to regulus; to separate, as a metal from extraneous matter; as, to regulize antimony. [Archaic]

The button, globule, or mass of metal, in a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores.

g replaced (by), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals.

Art or process of hammering out or pressing thin metal from the reverse side: (1) in producing repoussé work; (2) in leveling up any part of an etched plate that has been worked so as to cause a depression.