Submitted by György Chityil ... on Fri, 01/19/2018 - 20:39 Hierarchy: NounDescription: {{geology}} A distinct border of a mass of igneous rock. It is usually fine-grained or glassy due to rapid cooling.Ngram: selvageNgram Text: selvageSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1