Search Result for "otosclerosis": 
Wordnet 3.0

NOUN (1)

1. hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness; 



WordNet (r) 3.0 (2006):

otosclerosis
    n 1: hereditary disorder in which ossification of the labyrinth
         of the inner ear causes tinnitus and eventual deafness