Submitted by György Chityil ... on Fri, 01/19/2018 - 23:35 Hierarchy: NounDescription: {{geology}} A very small crystal in a fine-grained porphyritic rock.Ngram: microphenocrystNgram Text: microphenocrystSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1