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having a design in relief, used for imprinting a reversed copy of the design in a softer metal, as copper.

ing. -- Milling cutter, a fluted, sharp-edged rotary cutter for dressing surfaces, as of metal, of various shapes. -- Milling machine, a machine tool for dressing surfaces by rotary cutters. -- Milling tool, a roller with indented edge or surface, for producing like indentations in metal by rolling pressure, as in t…

To dig a mine or pit in the earth; to get ore, metals, coal, or precious stones, out of the earth; to dig in the earth for minerals; to dig a passage or cavity under anything in order to overthrow it by explosives or otherwise.

One who mines; a digger for metals, etc.; one engaged in the business of getting ore, coal, or precious stones, out of the earth; one who digs military mines; as, armies have sappers and miners.

The process of mineralizing, or forming a mineral by combination of a metal with another element; also, the process of converting into a mineral, as a bone or a plant.

An element which is combined with a metal, thus forming an ore. Thus, in galena, or lead ore, sulphur is a mineralizer; in hematite, oxygen is a mineralizer.

atus for guiding a handsaw at the proper angle in making a miter joint; esp., a wooden or metal trough with vertical kerfs in its upright sides, for guides. -- Miter dovetail (Carp.), a kind of dovetail for a miter joint in which there is only one joint line visible, and that at the angle. -- Miter gauge (Carp.), a g…

m is added to lower the melting point, usually in a petroleum furnace, keeping the molten metal at the bubbling point until it becomes quiet, and then pouring the molten metal into a mold lined with a special mixture consisting essentially of molasses and ground burnt fire clay; also, a casting made by this process; --…

A watered, clouded, or frosted appearance produced upon either textile fabrics or metallic surfaces. Moire antique, a superior kind of thick moire.

To form into a particular shape; to shape; to model; to fashion. He forgeth and moldeth metals. Sir M. Hale. Did I request thee, Maker, from my clay To mold me man Milton.

thing cast in a mold, or which appears to be so, as grooved or ornamental bars of wood or metal.

Made by melting and casting the substance or metal of which the thing is formed; as, a molten image.

nite and wulfenite, and when reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic weight 95.9.

om or radical; capable of neutralizing a monobasic acid; -- said of bases, and of certain metals.

A mineral occurring usually in small isolated crystals, -- phosphate of the cerium metals.

A piece of metal, as gold, silver, copper, etc., coined, or stamped, and issued by the sovereign authority as a medium of exchange in financial transactions between citizens and with government; also, any number of such pieces; coin. To prevent such abuses, ... it has been found necessary ... to affix a public stamp up…

tropical American butterflies, of the genus Morpho. They are noted for the very brilliant metallic luster and bright colors (often blue) of the upper surface of the wings. The lower surface is usually brown or gray, with eyelike spots.

a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder. -- Mosaic work. See Mosaic, n.

he making of a loud-speaking telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface. -- Mo`to*graph"ic (#), a.…

A turn or lashing of spun yarn or small stuff, or a metallic clasp or fastening, uniting the point and shank of a hook to prevent its unhooking or straighening out.