ear drum

Sound-vibrating inner membrane

The eardrum is the thin membrane separating the outer ear from the middle ear, vibrating in response to sound waves.

Also called the tympanic membrane.

The doctor said the infection hadn't damaged her eardrum.

Figuratively, loud sounds assault or burst one's eardrums: That concert nearly blew out my eardrums.

Related

malleus · vibration · membrane · tensor tympani · cochlea · tinnitus · stapes · grommet · incus · auditory · otology · acoustic · loud noises · muffled · sound waves · stirrup · hammer · ringing

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Family

eardrum, eardrums

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Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G