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
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Casting ::
Casting (n.) That which is cast in a mold; esp. the mass of metal so cast; as, a casting in iron; bronze casting..
Armature ::
Armature (n.) Iron bars or framing employed for the consolidation of a building, as in sustaining slender columns, holding up canopies, etc..
Branding Iron ::
Branding iron () An iron to brand with.
Iolite ::
Iolite (n.) A silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. It is remarkable for its dichroism, and is also called dichroite..
Cementation ::
Cementation (n.) A process which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes porcelain by cementation with sand..
Incompatible ::
Incompatible (n.) An incompatible substance; esp., in pl., things which can not be placed or used together because of a change of chemical composition or of opposing medicinal qualities; as, the incompatibles of iron..
Corrosion ::
Corrosion (n.) The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion..
Dredge ::
Dredge (n.) Any instrument used to gather or take by dragging; as: (a) A dragnet for taking up oysters, etc., from their beds. (b) A dredging machine. (c) An iron frame, with a fine net attached, used in collecting animals living at the bottom of the sea..
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..
Troilite ::
Troilite (n.) Native iron protosulphide, FeS. It is known only in meteoric irons, and is usually in imbedded nodular masses of a bronze color..
Epidote ::
Epidote (n.) A mineral, commonly of a yellowish green (pistachio) color, occurring granular, massive, columnar, and in monoclinic crystals. It is a silicate of alumina, lime, and oxide of iron, or manganese..
Ochre ::
Ochre (n.) A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. The name is also applied to clays of other colors..
Chipping ::
Chipping (n.) The act or process of cutting or breaking off small pieces, as in dressing iron with a chisel, or reducing a timber or block of stone to shape..
Web ::
Web (n.) The thin vertical plate or portion connecting the upper and lower flanges of an lower flanges of an iron girder, rolled beam, or railroad rail..
Ferricyanide ::
Ferricyanide (n.) One of a complex series of double cyanides of ferric iron and some other base.
Coquimbite ::
Coquimbite (n.) A mineral consisting principally of sulphate of iron; white copperas; -- so called because found in the province of Coquimbo, Chili..
Stanno- ::
Stannite (n.) A mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron..
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