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Từ điển WordNet v3.1 - WordNet Dictionary
iron ore
an ore from which iron can be extracted • Hypernyms: ore • Hyponyms: goethite, gothite, chamosite, taconite, hematite, haematite, lepidocrocite, limonite, magnetite, magnetic iron-ore, ruddle, reddle, raddle, siderite, chalybite • Substance Meronyms: iron, Fe, atomic number 26
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