iron

1. 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 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. Source: opted

2. n. An instrument or utensil made of iron; -- chiefly in composition; as, a flatiron, a smoothing iron, etc. Source: opted

3. n. Fetters; chains; handcuffs; manacles. Source: opted

4. n. Strength; power; firmness; inflexibility; as, to rule with a rod of iron. Source: opted

5. n. Of, or made of iron; consisting of iron; as, an iron bar, dust. Source: opted

6. n. Resembling iron in color; as, iron blackness. Source: opted

7. n. Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.; Source: opted

8. n. Rude; hard; harsh; severe. Source: opted

9. n. Firm; robust; enduring; as, an iron constitution. Source: opted

10. n. Inflexible; unrelenting; as, an iron will. Source: opted

11. n. Not to be broken; holding or binding fast; tenacious. Source: opted

12. v. t. To smooth with an instrument of iron; especially, to smooth, as cloth, with a heated flatiron; -- sometimes used with out. Source: opted

13. v. t. To shackle with irons; to fetter or handcuff. Source: opted

14. v. t. To furnish or arm with iron; as, to iron a wagon. Source: opted

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