Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: AdjectiveDescription: {{astronomy}} Describing the period, and the events, prior to a star becoming a supernovaNgram: presupernovaNgram Text: presupernovaSource: WiktionaryIssue: 0Wiktionary tag: astronomyNgram Count: 1
