Submitted by György Chityil ... on Fri, 01/19/2018 - 16:59 Hierarchy: NounDescription: {{chemistry}} The common axis of symmetry of the molecules of a liquid crystal.Ngram: directorNgram Text: directorSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1Wikokit WikiText ID: 531666