- noun an instrument consisting of a tube with a metal disc at one end and two parts that go in the ears at the other, used by doctors to listen to sounds made inside the body by organs such as the heart or lungs
- An instrument or device which is utilized to listen to internal body sounds, such as heart beats.
- A stethoscope (1) which incorporates electronic components such as amplifiers and filters, which enable internal body sounds, such as a heart murmurs or lung wheezes, to be heard more clearly and loudly. Such stethoscopes can usually be connected to a computer, enabling storing, further analysis, and transmission of the recorded sounds. Also called electronic stethoscope.
- noun a surgical instrument with two earpieces connected to a tube and a metal disc, used by doctors to listen to sounds made inside the body, e.g. the sounds of the heart or lungs