Submitted by György Chityil ... on Fri, 01/19/2018 - 20:48 Hierarchy: NounDescription: {{inorganic compound}} Any of several poorly-characterized acids that are hydrates of boric oxideNgram: orthoboric acidNgram Text: orthoboric acidSource: WiktionaryIssue: 0Wiktionary tag: inorganic compoundNgram Count: 2