Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{inorganic compound}} ytterbium oxide Yb<sub>2</sub>O<sub>3</sub>Ngram: itterbiaNgram Text: itterbiaSource: WiktionaryIssue: 0Wiktionary tag: inorganic compoundNgram Count: 1