Main Entry: aero·si·nus·itis Pronunciation: "ar-O-"sI-n(y)&-'sIt-&s, "er- Function: noun : the traumatic inflammation of thenasal sinuses resulting from the difference between atmospheric pressure and the pressure within the sinus cavities and occurring in high-altitude flyers, caisson or tunnel workers, and deep-sea divers
aerosinusitis aer·o·si·nus·i·tis (âr'ō-sī'nə-sī'tĭs) n. Inflammation of the paranasal sinuses caused by a difference between the pressure within the sinus cavities and the ambient pressure. Also called barosinusitis.