Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: NounDescription: {{geology}} A clay soil, containing a high content of montmorillonite, that forms deep cracks in drier conditionsNgram: vertisolNgram Text: vertisolSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1