Submitted by György Chityil ... on Fri, 01/19/2018 - 17:08 Hierarchy: Proper NounDescription: {{archaeology}} A broad prehistoric period during which humans widely used stone for toolmaking.Ngram: Stone AgeNgram Text: Stone AgeSource: WiktionaryIssue: 0Wiktionary tag: archaeologyNgram Count: 2Wikokit WikiText ID: 160508