Main Entry: oto·scle·ro·sis

Pronunciation: \ˌōt-ō-sklə-ˈrō-səs\

Function: noun

Inflected Form(s): plural oto·scle·ro·ses \-ˌsēz\

: growth of spongy bone in the inner ear where it gradually obstructs the oval window or round window or both and causes progressively increasing deafness