Wiktionary
cystinuria
n. (context medicine English) The presence of cystine in the urine
Wikipedia
Cystinuria
Cystinuria is an inherited autosomal recessive disease that is characterized by high concentrations of the amino acid cystine in the urine, leading to the formation of cystine stones in the kidneys, ureter, and bladder. It is a type of aminoaciduria.