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Noun
  1. 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 (synset 114666595)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    subtypes:
    • alpha iron - a magnetic allotrope of iron; stable below 906 degrees centigrade
    • beta iron - an allotrope of iron that is the same as alpha iron except that it is nonmagnetic; stable between 768 and 906 degrees centigrade
    • gamma iron - a nonmagnetic allotrope of iron that is the basis of austenite; stable between 906 and 1403 degrees centigrade
    • delta iron - an allotrope of iron that is stable between 1403 degrees centigrade and the melting point (= 1532 degrees)
    • ingot iron - iron of high purity
    • cast iron - an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
    • wrought iron - iron having a low carbon content that is tough and malleable and so can be forged and welded
    • galvanized iron - iron that is coated with zinc to protect it from rust
    • pig iron - crude iron tapped from a blast furnace
    • scrap iron - iron to be melted again and reworked
    • structural iron - iron that has been cast or worked in structural shapes
    substance meronym:
    • steel - an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
    • iron ore - an ore from which iron can be extracted
    same as: atomic number 26, iron

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