Submitted by György Chityil ... on Fri, 01/19/2018 - 22:19 Hierarchy: NounDescription: {{SI-unit|femto|becquerel|radioactive activity}}Ngram: femtobecquerelNgram Text: femtobecquerelSource: WiktionaryIssue: 0Wiktionary tag: SI-unitfemtobecquerelNgram Count: 1