Main Entry: hy·dro·pneu·mo·tho·rax Pronunciation: "hI-dr&-"n(y)ü-m&-'thO(&)r-"aks, -'tho(&)r- Function: noun Inflected Form: pluralhy·dro·pneu·mo·tho·rax·esorhy·dro·pneu·mo·tho·ra·ces/-'thOr-&-"sEz, -'thor-/ : the presence of gas and serous fluid in the pleural cavity called also pneumohydrothorax
hydropneumothorax hy·dro·pneu·mo·tho·rax (hī'drō-n&oomacr;'mō-thôr'āks', -ny&oomacr;'-) n. The accumulation of fluid and gas in the pleural cavity. Also called pneumohydrothorax.
