mastoiditis

noun

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

Examples of mastoiditis in a Sentence

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

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 22 Nov. 2024.

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

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