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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 by many corrosive agents. Symbol Fe (Latin
Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast
iron, 7.1. In magnetic properties, it is superior to all other
substances. |
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An instrument or utensil made of iron; -- chiefly in
composition; as, a flatiron, a smoothing iron, etc. |
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Fetters; chains; handcuffs; manacles. |
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Strength; power; firmness; inflexibility; as, to rule with a
rod of iron. |
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Of, or made of iron; consisting of iron; as, an iron bar,
dust. |
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Resembling iron in color; as, iron blackness. |
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Like iron in hardness, strength, impenetrability, power of
endurance, insensibility, etc.; |
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Rude; hard; harsh; severe. |
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Firm; robust; enduring; as, an iron constitution. |
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Inflexible; unrelenting; as, an iron will. |
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Not to be broken; holding or binding fast; tenacious. |
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To smooth with an instrument of iron; especially, to
smooth, as cloth, with a heated flatiron; -- sometimes used with out. |
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To shackle with irons; to fetter or handcuff. |
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To furnish or arm with iron; as, to iron a wagon. |
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