Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: NounDescription: {{geology}} The growth of a river delta farther out into the sea over time, as it gains more sediment.Ngram: progradationNgram Text: progradationSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1
