Definition of iron

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Iron (n.) The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually appears dark brown, from oxidation or impurity, but when pure, or on a fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked b

Lern More About Iron

Sponge :: Sponge (n.) Iron ore, in masses, reduced but not melted or worked..
Scale :: Scale (n.) Hence, any layer or leaf of metal or other material, resembling in size and thinness the scale of a fish; as, a scale of iron, of bone, etc..
Suburban :: Suburb (n.) Hence, the confines; the outer part; the environment..
Hornbeam :: Hornbeam (n.) A tree of the genus Carpinus (C. Americana), having a smooth gray bark and a ridged trunk, the wood being white and very hard. It is common along the banks of streams in the United States, and is also called ironwood. The English hornbeam is C. Betulus. The American is called also blue beech and water beech..
Iron-sick :: Iron-sick (a.) Having the ironwork loose or corroded; -- said of a ship when her bolts and nails are so eaten with rust that she has become leaky.
Spade :: Spade (n.) An implement for digging or cutting the ground, consisting usually of an oblong and nearly rectangular blade of iron, with a handle like that of a shovel..
Psilomelane :: Psilomelane (n.) A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color..
Fining :: Fining (n.) The process of fining or refining; clarification; also (Metal.), the conversion of cast iron into suitable for puddling, in a hearth or charcoal fire..
Harrow :: Harrow (n.) An implement of agriculture, usually formed of pieces of timber or metal crossing each other, and set with iron or wooden teeth. It is drawn over plowed land to level it and break the clods, to stir the soil and make it fine, or to cover seed when sown..
Plastron :: Plastron (n.) An iron breastplate, worn under the hauberk..
Lodestone :: Lodestone (n.) A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite.
Harpagon :: Harpagon (n.) A grappling iron.
Porter :: Porter (n.) A bar of iron or steel at the end of which a forging is made; esp., a long, large bar, to the end of which a heavy forging is attached, and by means of which the forging is lifted and handled in hammering and heating; -- called also porter bar..
Martite :: Martite (n.) Iron sesquioxide in isometric form, probably a pseudomorph after magnetite..
Spike :: Spike (n.) A sort of very large nail; also, a piece of pointed iron set with points upward or outward..
Ancony :: Ancony (n.) A piece of malleable iron, wrought into the shape of a bar in the middle, but unwrought at the ends..
Glauconite :: Glauconite (n.) The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See Greensand.
Danalite :: Danalite (n.) A mineral occuring in octahedral crystals, also massive, of a reddish color. It is a silicate of iron, zinc manganese, and glucinum, containing sulphur..
Ludwigite :: Ludwigite (n.) A borate of iron and magnesia, occurring in fibrous masses of a blackish green color..
Welt :: Welt (n.) In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint..
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