Home › Words › V › vertisolvertisolvertisol means A clay soil, containing a high content of montmorillonite, that forms deep cracks in drier conditions.EtymologyFrom Latin vertere (“turn”) + -i- + sol (“soil”).nounA clay soil, containing a high content of montmorillonite, that forms deep cracks in drier conditions.Definitions & examples from Wiktionary (CC BY-SA 3.0).