: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins
Examples of lysine in a Sentence
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Regardless, this cheese is a complete milk protein and has a particularly high concentration of lysine, an essential amino acid necessary for building muscles, as well as calcium to support strong bones.
—
Philipp Wehsack, Vogue, 11 July 2025
The seeds are also rich in lysine, an amino acid lacking in corn.
—Michael Shaikh
june 25, Literary Hub, 25 June 2025
Oysters contain an inordinate amount of zinc and copper, and the amino acids proline and lysine, precursors of collagen.
—Alessandra Signorelli, Vogue, 1 July 2025
It is manufactured from lysine (an amino acid) and can suppress the production of the pigment melanin.2
Jump to Key Takeaways.
—Heather Jones, Verywell Health, 19 June 2025
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Philipp Wehsack, Vogue, 11 July 2025
The seeds are also rich in lysine, an amino acid lacking in corn.
—Michael Shaikh
june 25, Literary Hub, 25 June 2025
Oysters contain an inordinate amount of zinc and copper, and the amino acids proline and lysine, precursors of collagen.
—Alessandra Signorelli, Vogue, 1 July 2025
It is manufactured from lysine (an amino acid) and can suppress the production of the pigment melanin.2
Jump to Key Takeaways.
—Heather Jones, Verywell Health, 19 June 2025
See All Example Sentences for lysine
Cite this Entry
“Lysine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lysine. Accessed 29 Jul. 2025.
Copy CitationKids Definition
lysine
noun
ly·sine
ˈlī-ˌsēn 
: an essential amino acid obtained from various proteins
Medical Definition
lysine
noun
ly·sine
ˈlī-ˌsēn
: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins
—abbreviation Lys
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