Initialism of Polish National Alliance. / (in the Philippines) Initialism of Philippine News Agency.

(music) A neume. / The spirit or soul. / (Gnosticism) One of three levels of a human being, the spirit, along with the body and soul.

The system on military aircraft that use either or some combination of both hydraulic and pneumatic systems. / The science of fluids made of both gas and liquid.

Any device which generates or is powered by compressed air

The branch of mechanics that deals with the mechanical properties of gases

In a pneumatic manner. / Using pneumatics.

(computing) personal navigation device; a portable electrical product to navigate the user / (medicine) Post-nasal drip.

(medicine) A hernia or air-filled cyst within the lung. / (medicine) A gaseous swelling, especially within the scrotum.

(anatomy) Any bone, such as the mastoid process or those of the birds, that contains many hollow cells full of air

plural of pneumatocele