Submitted by György Chityil ... on Fri, 01/19/2018 - 21:56 Hierarchy: NounDescription: {{geometry}} Solid figure, having six faces, all parallelograms; all opposite faces being similar and parallel.Ngram: parallelepipedNgram Text: parallelepipedSource: WiktionaryIssue: 0Wiktionary tag: geometryNgram Count: 1