- the middle portion of the ear, consisting of the tympanic membrane and an air-filled chamber lined with mucous membrane, that contains the malleus, incus, and stapes.Compare ear1(def 1).
Origin of middle ear
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for middle ear
If middle-ear suppuration be present operation is generally advisable.
An aural discharge is, however, most commonly of middle-ear origin.
Granulations and polypi usually indicate the presence of middle-ear suppuration.
Provided asepsis is maintained, the middle-ear inflammation usually subsides rapidly with healing of the membrane.
Provided there is no middle-ear suppuration, a foreign body left in the ear will very rarely cause any immediate harm.
- the sound-conducting part of the ear, containing the malleus, incus, and stapes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- The space located between the eardrum and the inner ear that contains the three auditory ossicles, which convey vibrations through the oval window to the cochlea.tympanic cavity tympanum
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The part of the ear in most mammals that contains the eardrum (tympanic membrane) and the three ossicles (malleus, incus, and stapes) which transmit sound vibrations from the eardrum to the inner ear. See more at ear1.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.