Medical Dictionary
Main Entry:
hy·dro·tho·rax Pronunciation:
-'thO(&)r-"aks, -'tho(&)r- Function:
noun Inflected Form:
plural hy·dro·tho·rax·es or hy·dro·tho·ra·ces /-'thOr-&-"sEz, -'thor-/ : an excess of serous fluid inthe pleural cavity;
especially : an effusion resulting from failing circulation (as in heart disease or from lung infection)