tachygraphyEnglishOxford Dictionary of Englishtachygraphy /taˈkɪɡrəfi / ▸ noun [mass noun] stenography or shorthand, especially that of ancient or medieval scribes. – DERIVATIVES tachygrapher /taˈkɪɡrəfə / noun tachygraphic /ˌtakɪˈɡrafɪk / adjective tachygraphical /ˌtakɪˈɡrafɪkl / adjective