Definition of phonendoscope in English:

phonendoscope

noun

Medicine
rare
  • A type of stethoscope having a chest piece consisting of a flattened circular chamber closed by a diaphragm (originally two movable discs), providing relative amplification of certain auscultatory sounds.

Origin

Late 19th century. From phono- + endoscope.

Pronunciation

phonendoscope

/ˌfəʊnˈɛndəskəʊp/