eardrum
noun
ear·drum ˈir-ˌdrəm 
: tympanic membrane
Example Sentences
Recent Examples on the Web While not as serious as ingestion, lithium batteries stuck in an ear or nose can cause significant injuries, such as perforation of the nasal septum or the eardrum, hearing loss, or facial nerve paralysis, according to the report. 
Sandee Lamotte, CNN, 29 Aug. 2022 Sound waves traveling through your ear canal cause your eardrum to vibrate. Los Angeles Times, 23 Aug. 2022 Fluid in the ear, a punctured eardrum, and abnormal bone growth all show up on the graphs generated by tympanometers. Edward Chen, STAT, 13 July 2022 That detected sound shows physicians whether the eardrum is functioning appropriately. Edward Chen, STAT, 13 July 2022 With his experiment, a sheet of plastic wrap acts like an eardrum. Marisa Lascala, Good Housekeeping, 1 June 2022 From childhood, when a mastoid operation resulted in permanent eardrum damage and hearing loss, she had been fascinated with eyes, watching for cues to amplify what was being said. New York Times, 28 June 2022 In addition to potentially setting the stage for an infection, puncturing your eardrum can lead to permanent hearing loss, according to the Mayo Clinic. Korin Miller, SELF, 24 June 2022 The boy was taken to surgery, and doctors used a microscope and tiny hook to remove the tick from the boy's eardrum. Nancy Clanton, ajc, 3 May 2019 See More
Sandee Lamotte, CNN, 29 Aug. 2022 Sound waves traveling through your ear canal cause your eardrum to vibrate. Los Angeles Times, 23 Aug. 2022 Fluid in the ear, a punctured eardrum, and abnormal bone growth all show up on the graphs generated by tympanometers. Edward Chen, STAT, 13 July 2022 That detected sound shows physicians whether the eardrum is functioning appropriately. Edward Chen, STAT, 13 July 2022 With his experiment, a sheet of plastic wrap acts like an eardrum. Marisa Lascala, Good Housekeeping, 1 June 2022 From childhood, when a mastoid operation resulted in permanent eardrum damage and hearing loss, she had been fascinated with eyes, watching for cues to amplify what was being said. New York Times, 28 June 2022 In addition to potentially setting the stage for an infection, puncturing your eardrum can lead to permanent hearing loss, according to the Mayo Clinic. Korin Miller, SELF, 24 June 2022 The boy was taken to surgery, and doctors used a microscope and tiny hook to remove the tick from the boy's eardrum. Nancy Clanton, ajc, 3 May 2019 See More Word History
First Known Use
1645, in the meaning defined above
Kids Definition
eardrum
noun
ear·drum ˈir-ˌdrəm
: the membrane that separates the outer and middle parts of the ear and vibrates when sound waves strike it
Medical Definition
eardrum
noun
ear·drum -ˌdrəm
: tympanic membrane