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.

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

3. (n.) Fetters; chains; handcuffs; manacles.

4. (n.) Strength; power; firmness; inflexibility; as, to rule with a rod of iron.

5. (n.) Of, or made of iron; consisting of iron; as, an iron bar, dust.

6. (n.) Resembling iron in color; as, iron blackness.

7. (n.) Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;

8. (n.) Rude; hard; harsh; severe.

9. (n.) Firm; robust; enduring; as, an iron constitution.

10. (n.) Inflexible; unrelenting; as, an iron will.

11. (n.) Not to be broken; holding or binding fast; tenacious.

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

13. (v. t.) To shackle with irons; to fetter or handcuff.

14. (v. t.) To furnish or arm with iron; as, to iron a wagon.

Gibraltar Oregon boat adamant adamantine aluminum americium aureate barium beryllium bicycle bike bilbo bismuth bond bonds bone brass brassy brazen brick bridle bronze bronzy buff buffer cadmium calcium calender camisole cast-iron cement cerium cesium chains chamois chopper chrome chromium cobalt collar concrete copper coppery cuffs cupreous cuprous cycle diamond dour drag dysprosium erbium europium ferrous ferruginous fetter fetters firm flint flinty fundamentalist gadolinium gag gallium germanium gilt glazer gold gold-filled gold-plated golden goose grader granite grim gyves halter hamper handcuffs hard hard-core harrow heart of oak hidebound hobbles holmium hopples horse hot-press immovable immutable implacable impliable indium inelastic inexorable inflexible intransigent iridium ironbound ironclad ironhanded ironlike irons irreconcilable lanthanum lead leaden leading strings leash lion lithium lutetium magnesia magnesium manacle manganese mangle marble mercurial mercurous mercury minibike molybdenum motocycle motorbike motorcycle muscle-bound muzzle nails neodymium nickel nickelic nickeline niobium oak obdurate obstinate orthodox osmium ox palladium pedicab pewter pewtery phosphorus pig pillory plane platinum polisher polonium potassium praseodymium press procrustean promethium protactinium purist puristic puritan puritanic quicksilver radium reins relentless restraint restraints rhenium rigid rigorist rigoristic rigorous road-bike rock rock-ribbed rockbound roll roller rolling pin rubidium ruthenium samarium sander scandium shackle silver silver-plated silvery sodium steamroller steel steely stern stiff stocks stone straightjacket straightlaced strait-waistcoat straitjacket straitlaced stranglehold strontium stubborn tantalum technetium terbium tether thallium thulium tin tinny titanium trail bike trammel trammels tricycle trike trowel tungsten unaffected unalterable unbending unchangeable uncompromising ungiving unmoved unrelenting unyielding uranium vanadium wheel wolfram wringer yoke ytterbium yttrium zinc zirconium


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