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: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins
Examples of lysine in a Sentence
Recent Examples on the Web
All the members of the legume family are full of nutrients, including copper, iron, magnesium, potassium, folic acid, zinc, the essential amino acid lysine, and lots of protein and fiber.
—Sandee Lamotte, CNN, 12 Dec. 2024
To promote these reactions, alternative meat developers will add browning agents, including specific amino acids such as cysteine, methionine, and lysine, sugars, and the vitamin thiamin.
—Discover Magazine, 28 Nov. 2024
Willett says lysine is also in all whole plant foods such as wheat and beans.
—Daryl Austin, USA TODAY, 19 Nov. 2024
This concoction of shea butter, jojoba oil, and amino acid lysine leaves our lips feeling smooth and nourished.
—Sarah Han, Allure, 23 Sep. 2024
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Word History
First Known Use
1892, in the meaning defined above
Dictionary Entries Near lysine
Cite this Entry
“Lysine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lysine. Accessed 22 Dec. 2024.
Kids 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
More from Merriam-Webster on lysine
Britannica.com: Encyclopedia article about lysine
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