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Word of the Day Wednesday, June 10, 2026

mastoiditis

/mæstoʊˈdaɪtɪs/ noun · British & US
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What does mastoiditis mean?

noun

Inflammation of the mastoid process of the temporal bone, often caused by a bacterial infection. It can be a serious condition that requires prompt medical attention.

Example

"The doctor ordered a CT scan to confirm the diagnosis of mastoiditis in the young patient."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for mastoiditis

Rhymes with mastoiditis