phon·au·to·graph \fōˈnȯd.əˌgraf, -rȧf\noun Etymology:phon- + aut- + -graph : an instrument by which a sound can be made to produce a visible record of itself • phon·au·to·graph·ic\ ̷ ̷| ̷ ̷ ̷ ̷|grafik\adjective • phon·au·to·graph·i·cal·ly\-fə̇k(ə)lē\adverb