Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{geology}} The process of mountain formation by deformation of the Earth's crust. See also orogeny.Ngram: orogenesisNgram Text: orogenesisSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1