What's the singular form of pyonephrosis? Here's the word you're looking for.
Answer
The noun pyonephrosis is uncountable.
The singular form of pyonephrosis is also pyonephrosis.
Examples
In the majority of early reports, this pathology was tuberculosis, but more recently, calculous pyonephrosis has been the predominant underlying cause.
The blood pressure may be useful in differentiating uremic coma from the coma of pyonephrosis.
