Origin of eardrum
First recorded in 1635–45; ear1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for eardrum
British Dictionary definitions for eardrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for eardrumn.
1640s, from ear (n.1) + drum (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for eardrum
The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear.drum drumhead drum membrane myringa myrinx tympanic membrane tympanum
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for eardrum
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
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for eardrum
The membrane that divides the outer ear from the middle ear. The vibrations of this membrane in response to sound waves lead to the sensation of hearing. Also called the tympanic membrane.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.