Standard Lemma guide

phenylketonuria

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /fɛnaɪ̯lkiːtəˈnjʊə̯ɹɪ.ə/
  • UK: /fin-/
  • US: /fɛnəlkitəˈnʊɹi.ə/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ʊɹiə

1

noun

Meaning 1

A metabolic disorder in which individuals lack the liver enzyme phenylalanine hydroxylase (PAH) which is needed to metabolize the amino acid phenylalanine.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: PKU

Antonyms: none provided

Broader terms: inborn error of metabolism

History

Etymology

Etymology tree English phenylketone Proto-Indo-European *h1wers-der. Ancient Greek οὐρέω (ouréō) Ancient Greek οὖρον (oûron) Ancient Greek -ουρία (-ouría)bor. New Latin -ūriabor. English -uria English phenylketonuria From phenylketone + -uria.

Across languages

Translations

11 source translations are retained for this English entry.

  • Chinese Mandarin: 苯丙酮尿癥 /苯丙酮尿症 (běnbǐngtóngniàozhèng) — metabolic disorder
  • Chinese Mandarin: 苯酮尿癥 /苯酮尿症 (běntóngniàozhèng) — metabolic disorder
  • Czech: fenylketonurie — metabolic disorder
  • Danish: fenylketonuri — metabolic disorder
  • Finnish: fenyyliketonuria — metabolic disorder
  • French: phénylcétonurie — metabolic disorder
  • Japanese: フェニルケトン尿症 (feniruketonnyōshō) — metabolic disorder
  • Norwegian Nynorsk: fenylketonuri — metabolic disorder
  • Norwegian Nynorsk: Føllings sjukdom — metabolic disorder
  • Portuguese: fenilcetonúria — metabolic disorder
  • Turkish: fenilketonüri — metabolic disorder