iron -
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
metallic element,
metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
steel knife sharpener consisting of a ridged steel rod
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. Like other Group 8 elements, it exists in a wide range of oxidation states, −2 to + 6, although +2 and +3 are the most common.
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iron A malleable ductile silvery-white ferromagnetic metallic element with symbol Fe and atomic number 26, occurring principally in haematite and magnetite. It is widely used for structural and engineering purposes.
iron Made out of iron.
iron A small appliance used in ironing to remove wrinkles from fabric.