From Longman Dictionary of Contemporary Englishstenosten‧o /ˈstenəʊ $ -noʊ/ noun (plural stenos) informal 1 [countable]BOB a short form of stenographer2 [uncountable]BWRITE a short form of stenographyFrom Longman Business Dictionarystenosten‧o /ˈstenəʊ-noʊ/ noun American English1[countable]JOB a stenographer2[uncountable] stenographyOrigin steno (1900-2000) stenographer and stenography