Submitted by György Chityil ... on Sat, 01/20/2018 - 00:52 Hierarchy: NounDescription: {{inorganic compound}} The oxyacid or ruthenium (VI) H<sub>2</sub>RuO<sub>4</sub>Ngram: ruthenic acidNgram Text: ruthenic acidSource: WiktionaryIssue: 0Wiktionary tag: inorganic compoundNgram Count: 2