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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
This concoction of shea butter, jojoba oil, and amino acid lysine leaves our lips feeling smooth and nourished.
—Sarah Han, Allure, 23 Sep. 2024
There are two chemical versions of lysine: L-lysine and D-lysine.
—Brittany Lubeck, Ms, Rdn, Verywell Health, 6 June 2024
Interactions Possible food, drug, or supplement interactions with lysine include:
Arginine (another amino acid): Taking a large dose of arginine with lysine may cause lower levels of lysine absorption.
—Brittany Lubeck, Ms, Rdn, Verywell Health, 6 June 2024
Corn, for example — considered a dietary staple by many people — is missing the essential amino acids tryptophan, lysine and threonine.
—Ascend Agency, Baltimore Sun, 1 Mar. 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 21 Nov. 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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