Submitted by György Chityil ... on Fri, 01/19/2018 - 20:34 Hierarchy: NounDescription: {{SI-unit|atto|katal|catalytic activity}}Ngram: attokatalNgram Text: attokatalSource: WiktionaryIssue: 0Wiktionary tag: SI-unitattokatalcatalytic activityNgram Count: 1