belonging to the very early period of human history when tools and weapons were made of stone
Example:
- stone-age man/tools/culture
very out-of-date
Example:
- stone-age computers
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/ˈstəʊn eɪdʒ//ˈstəʊn eɪdʒ/belonging to the very early period of human history when tools and weapons were made of stone
very out-of-date
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