Submitted by György Chityil ... on Fri, 01/19/2018 - 22:00 Hierarchy: NounDescription: {{physics|astronomy}} The loss of leptons from a supernova or rotating protoneutron starNgram: deleptonizationNgram Text: deleptonizationSource: WiktionaryIssue: 0Wiktionary tag: physicsastronomyNgram Count: 1