Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{organic compound}} Any of a class of metallocenes, analogous to ferrocene, containing a zirconium atomNgram: zirconoceneNgram Text: zirconoceneSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1