How to Pronounce Phenylketonuria
Definition, meaning, and phonetic spelling
Phenylketonuria Pronunciation
fen-il-kee-toh-NYOO-ree-ah
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
fen
il
kee
toh
NYOO
stress here
ree
ah
7 syllables
What is Phenylketonuria?
Phenylketonuria (PKU) is a type of amino acid metabolism disorder. It is inherited. If you have it, your body can't process phenylalanine (Phe). Phe is an amino acid, ...
Definition sourced from MedlinePlus, National Library of Medicine
Questions About Phenylketonuria
How do you pronounce phenylketonuria?
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Phenylketonuria is pronounced fen-il-kee-toh-NYOO-ree-ah. The stress falls on the last part of the word—the "NYOO" syllable is the loudest and longest. A common mistake is stressing the wrong syllable early in the word, so remember to save your emphasis for near the end.
How many syllables does phenylketonuria have?
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Phenylketonuria has 7 syllables: phen-yl-ke-to-nu-ri-a. Breaking it into smaller chunks like this can make it easier to say the whole word without stumbling.
What does the 'phenyl' part of the word mean?
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The 'phenyl' part comes from Greek and refers to a chemical group called a benzene ring. In this word, it's attached to an amino acid that the body has trouble breaking down. Understanding that 'phenyl' points to a specific chemical helps explain why this word is used in science and medicine.
What does 'ketonuria' mean in phenylketonuria?
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The 'ketonuria' part means the presence of ketones in the urine—ketones are chemicals that appear when the body processes certain substances. This part of the word comes from 'ketone' (a type of chemical compound) and 'uria' (which means 'in the urine'). Together, it describes one way doctors can detect this condition.
What is the short abbreviation for phenylketonuria?
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Phenylketonuria is almost always shortened to PKU, which is pronounced by saying each letter: P-K-U. You'll see PKU used in medical settings far more often than the full word, so it's helpful to know both forms.
What do 'phenylalanine' and 'phenylketonuria' have in common?
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Both words start with 'phenyl' because they're connected to the same chemical: phenylalanine is an amino acid, and phenylketonuria is a condition related to how the body handles phenylalanine. If you understand one word, the shared root helps you remember the other.
Can you use phenylketonuria in a simple sentence?
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Sure! "The genetic counselor explained that phenylketonuria, or PKU, is an inherited condition that affects how the body processes a certain amino acid." This sentence shows how the full term and abbreviation can both be used in medical conversation.
Which syllable in phenylketonuria gets the stress?
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The stress lands on the 'NYOO' syllable—fen-il-kee-toh-NYOO-ree-ah. This is toward the end of the word, not at the beginning, which is different from many other medical terms. Listening to the word said aloud can help you hear where the emphasis goes.

