internal-ear

internal ear

noun
the inner portion of the ear, involved in hearing and balance, consisting of a bony labyrinth that is composed of a vestibule, semicircular canals, and a cochlea and that encloses a membranous labyrinth. Compare ear1 ( def 1 ).
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Collins
World English Dictionary
internal ear
 
n
inner ear, Also called: labyrinth the part of the ear that consists of the cochlea, vestibule, and semicircular canals

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

internal ear n.
See inner ear.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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