[ oh-tuh-skli-roh-sis ]
/ ˌoʊ tə sklɪˈroʊ sɪs /

noun Pathology.

formation of new bone about the stapes or cochlea, resulting in hearing loss.

Nearby words

  1. otorhinolaryngology,
  2. otorhinology,
  3. otorrhagia,
  4. otorrhea,
  5. otorrhoea,
  6. otoscope,
  7. otoscopic,
  8. otoscopy,
  9. otosteal,
  10. otosteon

Origin of otosclerosis

From New Latin, dating back to 1895–1900; see origin at oto-, sclerosis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for otosclerosis

Medicine definitions for otosclerosis


[ ō′tō-sklə-rōsĭs ]


A formation of spongy bone about the stapes and the oval window of the ear, causing progressive deafness.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.