Main Entry: pyo·pneu·mo·tho·rax

Pronunciation: \-ˌn(y)ü-mə-ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r-\

Function: noun

Inflected Form(s): plural pyo·pneu·mo·tho·rax·es or pyo·pneu·mo·tho·ra·ces \-ˈthō-rə-ˌsēz\

: a collection of pus and air or other gas in the pleural cavity