Submitted by György Chityil ... on Fri, 01/19/2018 - 22:28 Hierarchy: NounDescription: {{informal|fiction}} Any hypothetical but unobtainable material with desirable engineering properties.Ngram: handwaviumNgram Text: handwaviumSource: WiktionaryIssue: 0Wiktionary tag: fictionNgram Count: 1
