• synonyms


noun Pathology.
  1. formation of new bone about the stapes or cochlea, resulting in hearing loss.
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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. 2018

Examples from the Web for otosclerosis

Historical Examples

  • In otosclerosis no benefit is ever obtained, and therefore the operation is absolutely contra-indicated.

    A System of Operative Surgery, Volume IV (of 4)


otosclerosis in Medicine


  1. A formation of spongy bone about the stapes and the oval window of the ear, causing progressive deafness.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.