the Iron Age
US /ðə ˈaɪərn eɪdʒ/
UK /ðə ˈaɪərn eɪdʒ/
1.
the period in human history when iron was the primary material for tools and weapons, following the Bronze Age and preceding the Roman Empire
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Archaeologists have found many artifacts from the Iron Age.
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The use of iron spread rapidly during the Iron Age.