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mastoidectomy

American  
[mas-toi-dek-tuh-mee] / ˌmæs tɔɪˈdɛk tə mi /

noun

Surgery.

PLURAL

mastoidectomies

  1. the removal of part of a mastoid process, usually for draining an infection.

mastoidectomy British  
/ ˌmæstɔɪˈdɛktəmɪ /

noun

  1. surgical removal of the mastoid process

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mastoidectomy

First recorded in 1895–1900; mastoid + -ectomy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition, the mastoidectomy scar was clearly present on the left side of the skull.

From Slate

A mastoidectomy two years ago showed a severely deteriorated eardrum.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.