Submitted by György Chityil ... on Sat, 01/20/2018 - 01:01 Hierarchy: NounDescription: {{italbrac|less frequently}} Engineering which is sound in the sense of being reliable.Ngram: sound engineeringNgram Text: sound engineeringSource: WiktionaryIssue: 0Wiktionary tag: italbracless frequentlyNgram Count: 2