Submitted by György Chityil ... on Fri, 01/19/2018 - 20:43 Hierarchy: NounDescription: {{archaeology}} The roughly biconical remains of a piece of worked flint(1) from which all possible blades have been struck.Ngram: bifacial coreNgram Text: bifacial coreSource: WiktionaryIssue: 0Wiktionary tag: archaeologyNgram Count: 2