Submitted by György Chityil ... on Fri, 01/19/2018 - 23:54 Hierarchy: NounDescription: {{SI-unit|peta|joule|energy, work, and heat}}Ngram: petajouleNgram Text: petajouleSource: WiktionaryIssue: 0Wiktionary tag: SI-unitpetajouleenergy, work, and heatNgram Count: 1