Definition of pyelitis in English:

pyelitis

noun

Medicine
  • [mass noun] Inflammation of the renal pelvis.

    • ‘I find Professor Taylor's hypothesis that Miss Rossiter was probably suffering the symptoms of pyelitis on that date most unconvincing.’
    • ‘A urinary infection that involves the urine collecting system of the kidney is called pyelitis.’
    • ‘It has a wide range of uses including the common cold, heatstroke, acute gastroenteritis, pyelitis, and gallbladder disorders.’

Origin

Mid 19th century: from Greek puelos trough, basin + -itis.

Pronunciation:

pyelitis

/ˌpʌɪəˈlʌɪtɪs/