rhinosinusitis

noun
rhi·​no·​si·​nus·​itis | \ ˌrī-nō-ˌsī-nə-ˈsī-təs, -ˌsī-nyə- How to pronounce rhinosinusitis (audio) \

Medical Definition of rhinosinusitis

: inflammation of the mucous membranes of the nose and one or more paranasal sinuses