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ssessing the properties of the magnet, or corresponding properties; as, a magnetic bar of iron; a magnetic needle.

An oxide of iron (Fe3O4) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore. Called also magnetic iron.

under public authority. -- Mail boat, a boat that carries the mail. -- Mail catcher, an iron rod, or other contrivance, attached to a railroad car for catching a mail bag while the train is in motion. -- Mail guard, an officer whose duty it is to guard the public mails. [Eng.] -- Mail train, a railroad train carryin…

by beating with a hammer, or by the pressure of rollers; -- applied to metals. Malleable iron, iron that is capable of extension or of being shaped under the hammer; decarbonized cast iron. See under Iron. -- Malleable iron castings, articles cast from pig iron and made malleable by heating then for several days in t…

des of manganese; -- called also gray manganese ore. It occurs in brilliant steel-gray or iron-black crystals, also massive.

move sulphur. It is analogous in apparatus to the Bessemer process for decarbonizing cast iron. So called from Pierre Manhès, a French metallurgist, who invented it.

Anything made from raw materials by the hand, by machinery, or by art, as cloths, iron utensils, shoes, machinery, saddlery, etc.

on of marble; to cover with a surface resembling marble; as, to marbleize slate, wood, or iron.

A sulphide of iron resembling pyrite or common iron pyrites in composition, but differing in form; white iron pyrites. Golden marcasite, tin. [Obs.]

es, to prevent their being weakened by fretting. Marline spike, Marling spike (Naut.), an iron tool tapering to a point, used to separate the strands of a rope in splicing and in marling. It has an eye in the thick end to which a lanyard is attached. See Fid. [Written also marlin spike] -- Marline-spike bird. Etym: [Th…

A sandy calcareous straum, containing, or impregnated with, iron, and lying between the upper and lower Lias of England.

The metallic element iron, the symbol of which was the same as that of the planet Mars. [Archaic] Chaucer. Mars brown, a bright, somewhat yellowish, brown.

Pertaining to, or containing, iron; chalybeate; as, martial preparations. [Archaic] Martial flowers (Med.), a reddish crystalline salt of iron; the ammonio-chloride of iron. [Obs.] -- Martial law, the law administered by the military power of a government when it has superseded the civil authority in time of war, or wh…

Iron sesquioxide in isometric form, probably a pseudomorph after magnetite.

A stone, or cast-iron plate, or former, on which hot glass is rolled to give it shape.

A golf club like the iron, but with a shorter head, slightly more lofted, used chiefly for short approaches.

sails, yards, rigging, etc. A mast may also consist of several pieces of timber united by iron bands, or of a hollow pillar of iron or steel. The tallest pine Hewn on Norwegian hills, to be the mast Of some great ammiral. Milton.

An ironical title of respect. How now, seignior Launce ! what news with your mastership Shak.

A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually called white metal. [Written also matt.]

ed by alternately roasting and melting copper ore in separating the metal from associated iron ores, and called coarse metal, fine metal, etc., according to the grade of fineness. On the exterior it is dark brown or black, but on a fresh surface is yellow or bronzy in color.