Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{context|archaeology|geology}} A line drawn on a map or chart connecting places of equal or constant land upheaval.Ngram: isobaseNgram Text: isobaseSource: WiktionaryIssue: 0Wiktionary tag: archaeologygeologyNgram Count: 1
