Definition of phonoscope in English:

phonoscope

noun

  • 1Any of various devices by means of which sound vibrations are converted into a visible form, graphical or electronic record, etc.

  • 2In full "twin phonoscope" A type of otoscope consisting of the united earpiece sections of two stethoscopes. disused. rare.

Origin

Mid 19th century (in an earlier sense). From phono- + -scope.

Pronunciation

phonoscope

/ˈfəʊnəskəʊp/