em|py|e|ma

em|py|e|ma «_EHM pee EE muh, -py-», noun, plural -e|ma|ta «-EE muh tuh, -EHM uh-».

Medicine. a collection of pus in a body cavity, especially in the lung cavity, resulting from infection of the lungs, as in pneumonia.

╂[< New Latin empyema < Greek empýēma an abscess < empyeîn to suppurate < en- in, on + pýon pus]