Submitted by György Chityil ... on Fri, 01/19/2018 - 23:49 Hierarchy: NounDescription: {{geology}} A hemispheric-scale long but narrow topographic depression of the seabed.Ngram: oceanic trenchNgram Text: oceanic trenchSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 2
