Submitted by György Chityil ... on Fri, 01/19/2018 - 23:54 Hierarchy: NounDescription: {{SI-unit|peta|becquerel|radioactivity}}Ngram: petabecquerelNgram Text: petabecquerelSource: WiktionaryIssue: 0Wiktionary tag: SI-unitpetabecquerelNgram Count: 1