Dictionary

otosclerosis

noun oto·scle·ro·sis \ˌō-tō-sklə-ˈrō-səs\

Definition of OTOSCLEROSIS

:  growth of spongy bone in the inner ear that causes progressively increasing deafness
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Origin of OTOSCLEROSIS

New Latin
First Known Use: 1901
Medical Dictionary

otosclerosis

noun oto·scle·ro·sis \ˌōt-ō-sklə-ˈrō-səs\
plural oto·scle·ro·ses \-ˌsēz\

Medical Definition of OTOSCLEROSIS

:  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

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