ear·drum (îr dr m )n. The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear. Also called tympanic membrane, tympanum. |
eardrum
Noun
the thin membrane separating the external ear from the middle ear
| eardrum (îrdrm) The thin, oval-shaped membrane that separates the middle ear from the outer ear. It vibrates in response to sound waves, which are then transmitted to the ossicles of the middle ear. Also called tympanic membrane. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  eardrum - the membrane in the ear that vibrates to soundear - the sense organ for hearing and equilibrium perforated eardrum - an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems umbo - a slight rounded elevation where the malleus attaches to the eardrum tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants |
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