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Word of the Day Wednesday, June 10, 2026

ornithine

/ɔːrˈnɪθiːn/ noun · British & US
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What does ornithine mean?

noun

A non-protein amino acid found in the urine of certain animals, particularly in the urine of birds, and also in the tissues of some animals. It is a product of the breakdown of the amino acid arginine.

Example

"The ornithine in the bird's urine was a key indicator of its diet."

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

Synonyms for ornithine

Rhymes with ornithine

Etymologically related