Real Dictionary

iron in American English
a white, malleable, ductile, metallic chemical element that can be readily magnetized, rusts rapidly in moist or salty air, and is vital to plant and animal life: it is the most common and important of all metals, and its alloys, as steel, are extensively
noun: a ductile, malleable, silver-white metallic element, scarcely known in a pure condition, but much used in its crude or impure carbon-containing forms for making tools, implements, machinery, etc; at. wt.: 55.847; at. no.: 26; sp. gr.: 7.86 at 20°C

iron in British English
noun: a malleable ductile silvery-white ferromagnetic metallic element occurring principally in haematite and magnetite. It is widely used for structural and engineering purposes. Symbol: Fe; atomic no: 26; atomic wt: 55.847; valency: 2,3,4, or 6; relative dens