Otosclerosis

Origin

- + sclerosis

Full definition of otosclerosis

Noun

1. (pathology) Sclerosis of the tissues of the labyrinth and middle ear.
2. (pathology) Loss of hearing due to injury of the auditory nerve by certain drugs and poisons, such as quinine and tobacco.
3. (pathology) Loss of the ability to understand the spoken word, although the sound is heard.