Submitted by György Chityil ... on Fri, 01/19/2018 - 20:25 Hierarchy: NounDescription: {{mineralogy}} The process by which rocks are changed into other forms by the application of heat and/or pressure.Ngram: metamorphismNgram Text: metamorphismSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1