noun
- the thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves
Usage: anatomy
Examples
- The loud explosion damaged his eardrum.
- Sound waves cause the eardrum to vibrate.
- The doctor examined her eardrum with a special instrument.
- A ruptured eardrum can cause hearing loss.
- The eardrum is a delicate part of the ear.
- Infections can make the eardrum bulge outward.