lysine

noun

ly·​sine ˈlī-ˌsēn How to pronounce lysine (audio)
: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins

Examples of lysine in a Sentence

Recent Examples on the Web 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 Unlike the aforementioned alpha-hydroxy acids, tranexamic acid isn't a chemical exfoliator, but a synthetic derivative of the amino acid lysine. Jennifer Hussein, Allure, 10 Apr. 2024 Basically all animals are already lysine dependent and nearly all foods contain lysine. Ben Lamm, Rolling Stone, 9 July 2023 And third, for the superfans out there, the lysine dependence framed in the story as a way to keep the dinosaurs on the island won’t actually work. Ben Lamm, Rolling Stone, 9 July 2023 High-quality protein is any protein that contains all of the nine essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine) that our bodies don’t make on their own. USA TODAY, 2 July 2023 The proteins lysine and arginine work in combination with succinic acid and naturally derived guar to fortify curls and repair damage. Isabel Vasquez Rd Ldn, Health, 12 May 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lysine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of lysine was in 1892

Dictionary Entries Near lysine

Cite this Entry

“Lysine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lysine. Accessed 15 Jul. 2024.

Kids Definition

lysine

noun
ly·​sine ˈlī-ˌsēn How to pronounce lysine (audio)
: an essential amino acid obtained from various proteins

Medical Definition

lysine

noun
ly·​sine ˈlī-ˌsēn How to pronounce lysine (audio)
: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins
abbreviation Lys

More from Merriam-Webster on lysine

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