Submitted by György Chityil ... on Fri, 01/19/2018 - 18:28 Hierarchy: NounDescription: {{context|SI}} One quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB.Ngram: petabyteNgram Text: petabyteSource: WiktionaryIssue: 0Wiktionary tag: SINgram Count: 1Wikokit WikiText ID: 1053779