Definition of otosclerosis in US English:



  • A hereditary disorder causing progressive deafness due to overgrowth of bone in the inner ear.

    • ‘Leading causes of conductive hearing loss include cerumen impaction, otitis media, and otosclerosis.’
    • ‘A small percentage have otosclerosis (fused inner ear bones) helped by an operation.’
    • ‘Twenty percent have deafness due to otosclerosis.’
    • ‘Although it is often associated with disorders of the ear itself, including blockage of the ear canal by wax, otosclerosis, and Menière's disease, it is now apparent that neural activity within the brain may be a more important factor.’
    • ‘Medication can prevent further progression of otosclerosis but it will not improve your hearing.’