PHENYLKETONURIA Meaning of PHENYLKETONURIA in English [ ˌfi:nʌɪlˌki:tə(ʊ)'njʊərɪə , ˌfɛnɪl- ]■ noun Medicine an inherited inability to metabolize phenylalanine which can result in brain and nerve damage. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004