内耳炎 nèi'ěryán otitis interna Origin Definitions Defs Strokes Stroke Words Sentences Sents 内耳 內耳 nèi'ěr noun inner ear The innermost part of the ear responsible for hearing and balance; it includes the semicircular canals, vestibule, and cochlea.炎 yán noun inflammation (bound form) inflammation; infection; often used as a suffix for medical conditions ending in "-itis"