Definition of pyonephrosis in English:

pyonephrosis

noun

Medicine
  • The accumulation of pus in (the pelvis of) the kidney; hydronephrosis with purulent infection.

Origin

Mid 19th century. From pyo- + nephro- + -osis. Compare slightly earlier pyonephrotic.

Pronunciation

pyonephrosis

/ˌpʌɪəʊnɪˈfrəʊsɪs/