Submitted by György Chityil ... on Sat, 01/20/2018 - 01:06 Hierarchy: NounDescription: {{context|volcanology|neologism}} A powerful volcano, often having an explosive or cataclysmic eruptionNgram: supervolcanoNgram Text: supervolcanoSource: WiktionaryIssue: 0Wiktionary tag: volcanologyneologismNgram Count: 1