Meaning of the word "the Iron Age" in English

What does "the Iron Age" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the Iron Age

US /ðə ˈaɪərn eɪdʒ/
UK /ði ˈaɪən eɪdʒ/
"the Iron Age" picture

Noun

the period in human history when iron was the primary material for tools and weapons, following the Bronze Age and preceding the Roman Empire

Example:
Archaeologists have found many artifacts from the Iron Age.
The use of iron spread rapidly during the Iron Age.