Submitted by György Chityil ... on Fri, 01/19/2018 - 23:49 Hierarchy: NounDescription: {{inorganic chemistry}} the member of a series of oxyacids of a particular element that has the highest number of hydroxyl groupsNgram: orthoacidNgram Text: orthoacidSource: WiktionaryIssue: 0Wiktionary tag: inorganic chemistryNgram Count: 1