Main Entry: phe·nyl·ke·ton·uria

Pronunciation: \ˌfe-n^əl-ˌkē-t^ən-ˈu̇r-ē-ə, ˌfē-, -ˈyu̇r-\

Function: noun

Etymology: New Latin, from International Scientific Vocabulary phenyl + ketone + New Latin -uria

Date: 1935

: an inherited metabolic disorder caused by an enzyme deficiency resulting in accumulation of phenylalanine and its metabolites in the blood causing usually severe mental retardation and seizures unless phenylalanine is restricted from the diet beginning at birth —abbreviation PKU

— phe·nyl·ke·ton·uric \-ˈu̇r-ik, -ˈyu̇r-\ noun or adjective