Main Entry: al·kap·ton·uria

Variant(s): or al·cap·ton·uria \(ˌ)al-ˌkap-tə-ˈn(y)u̇rē-ə\

Function: noun

: a rare recessive metabolic anomaly in humans marked by inability to complete the degradation of tyrosine and phenylalanine resulting in the presence of alkapton in the urine