Source of metal

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Wiktionary Word definitions in Wiktionary
alt. (context mineralogy especially mining English) A mineral deposit from which iron can be viably extracted. n. (context mineralogy especially mining English) A mineral deposit from which iron can be viably extracted.

Wikipedia Word definitions in Wikipedia
Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the form of ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Iron \I"ron\ ([imac]"[u^]rn), a. [AS. [=i]ren, [=i]sen. See Iron , n.] Of, or made of iron; consisting of iron; as, an iron bar, dust. Resembling iron in color; as, iron blackness. Like iron in hardness, strength, impenetrability, power of endurance, insensibility, ...

WordNet Word definitions in WordNet
n. an ore from which iron can be extracted