1. A collection of purulent matter in the cavity of the pleura, causing pressure of the lungs, and accompanied with hectic fever.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wmpyema,
• smpyema,
• dmpyema,
• rmpyema,
• 4mpyema,
• 3mpyema,
• enpyema,
• ekpyema,
• ejpyema,
• emoyema,
• emlyema,
• em-yema,
• em0yema,
• emptema,
• empgema,
• epyema,
• emptma,
• empiena,
• impyema,
• ampiyema

The adjective form of the word "empyema" is "empyemic".