mastoidectomy

American

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

noun

Surgery.

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

mastoidectomy British

/ ˌmæstɔɪˈdɛktəmɪ /

noun

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

Other Word Forms

Inflected Forms

noun

mastoidectomies

plural

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 • Nov. 22, 2013

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