o·ti·tis
noun/əʊˈtaɪtɪs/
/əʊˈtaɪtɪs/
[uncountable] (medical)- painful swelling (= the condition of being larger or rounder than normal) of the ear, caused by an infection
耳炎 Word Originlate 18th cent.: modern Latin, from Greek ous, ōt- ‘ear’ + -itis.