Submitted by György Chityil ... on Fri, 01/19/2018 - 22:14 Hierarchy: NounDescription: {{printing}} The process of printing on both sides of the printed-on material during its single pass through the printing press.Ngram: perfectingNgram Text: perfectingSource: WiktionaryIssue: 0Wiktionary tag: printingNgram Count: 1