Submitted by György Chityil ... on Fri, 01/19/2018 - 23:49 Hierarchy: NounDescription: {{pharmacology}} The quality of being efficacious when taken by mouth ''(usually of a medicinal drug)''.Ngram: oral availabilityNgram Text: oral availabilitySource: WiktionaryIssue: 0Wiktionary tag: pharmacologyNgram Count: 2