magnetic iron-ore


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Noun1.magnetic iron-ore - an oxide of iron that is strongly attracted by magnetsmagnetic iron-ore - an oxide of iron that is strongly attracted by magnets
emery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
iron ore - an ore from which iron can be extracted
loadstone, lodestone - a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically