Mastoiditis

noun

noun ·4 syllables ·Rare ·Advanced level

Definitions

Noun

1
Inflammation of the mastoid process of the temporal bone. countable, uncountable
2
inflammation of the mastoid wordnet

Synonyms

appendicitis arthritis bronchitis bunion colitis encephalitis

Etymology

From mastoid + -itis.

Related phrases

mastoid process temporal bone

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.