neolithic age is a noun meaning "latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere)". It carries one recorded sense.
latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere)
Definitions, synonyms and semantic relations for neolithic age come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.