noun[mass noun] Medicine
- A hereditary disorder causing progressive deafness due to overgrowth of bone in the inner ear.More example sentences
- A small percentage have otosclerosis (fused inner ear bones) helped by an operation.
- Leading causes of conductive hearing loss include cerumen impaction, otitis media, and otosclerosis.
- Twenty percent have deafness due to otosclerosis.
More definitions of otosclerosisDefinition of otosclerosis in:
- The US English dictionary