mastoiditis

noun

mas·​toid·​itis ˌma-ˌstȯi-ˈdī-təs How to pronounce mastoiditis (audio)
: inflammation of the mastoid and especially of the mastoid cells

Example Sentences

Recent Examples on the Web Semmel, who had a younger brother, was a sickly child with constant mastoiditis. New York Times, 9 Dec. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mastoiditis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

mastoid entry 2 + -itis

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of mastoiditis was in 1881

Dictionary Entries Near mastoiditis

Cite this Entry

“Mastoiditis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mastoiditis. Accessed 4 Dec. 2022.

Medical Definition

mastoiditis

noun

mas·​toid·​itis ˌmas-ˌtȯid-ˈīt-əs How to pronounce mastoiditis (audio)
plural mastoiditides -ˈit-ə-ˌdēz How to pronounce mastoiditis (audio)
: inflammation of the mastoid and especially of the mastoid cells

More from Merriam-Webster on mastoiditis

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