pyothorax

noun
pyo·​tho·​rax | \ -ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r- How to pronounce pyothorax (audio) \
plural pyothoraxes or pyothoraces\ -​ˈthōr-​ə-​(ˌ)sēz How to pronounce pyothoraces (audio) \

Medical Definition of pyothorax