- the removal of part of a mastoid process, usually for draining an infection.
Origin of mastoidectomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- surgical removal of the mastoid process
- Surgical removal of mastoid sinuses or part or all of the mastoid process.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.