sinusitis
/ˌsaɪnəˈsaɪtɪs/
noun
- A condition in which the sinuses (small air-filled spaces in the bones of the face) become swollen and infected, often causing pain, pressure, and a stuffy nose.
- The doctor prescribed antibiotics to treat his sinusitis.
- After a bad cold, she developed sinusitis and had a headache for weeks.
- Many people use a humidifier to relieve the symptoms of sinusitis.