mastoiditis
middle ear disease characterized by an inflammation of the mucosal lining of the mastoid antrum and the mastoid air cell system inside the mastoid process
en-GB/ˌmæstɔɪˈdaɪtɪs/
en-US/ˌmæstɔɪˈdaɪdəs/
middle ear disease characterized by an inflammation of the mucosal lining of the mastoid antrum and the mastoid air cell system inside the mastoid process