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The part of the temporal bone of the skull that partially encloses the middle ear and supports the eardrum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Anatomy) anatomy the part of the temporal bone in the mammalian skull that surrounds the auditory canal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
(in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the middle ear.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||tympanic bone - the bone enclosing the middle ear|
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