English

Definition of sinusitis noun from the Oxford Advanced Learner's Dictionary

 

sinusitis

 noun
noun
BrE BrE//ˌsaɪnəˈsaɪtɪs//
 
; NAmE NAmE//ˌsaɪnəˈsaɪtɪs//
 
[uncountable]
 
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the painful swelling of the sinuses
See the Oxford Advanced American Dictionary entry: sinusitis