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Word of the Day Wednesday, June 10, 2026

phenylalanine

/fɛnɪlˈæləniː/ noun · British & US
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What does phenylalanine mean?

noun

An essential amino acid that cannot be synthesized by the human body and must be obtained through the diet. It is a precursor to the neurotransmitter tyrosine.

Example

"Phenylalanine is a crucial component of many proteins and is involved in the synthesis of melanin, the pigment responsible for skin and hair color."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for phenylalanine

Rhymes with phenylalanine

Etymologically related