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 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 Limited research shows that lysine may help the body with creating protein and repairing muscles. Caitlin Pagán, Verywell Health, 17 May 2023 Supplements made for immune support often contain lysine, an amino acid cats need for top immune function. Dallas News, 22 Dec. 2022 In their new study, scientists at McGill University in Canada, used genetic engineering to alter the activity of one of the histone proteins that controls epigenetic processes – KDM1A histone lysine 4 demethylase – during the production of sperm in mice. Paul Haggarty, Discover Magazine, 13 Oct. 2015 Many ancient grains are nutritional powerhouses rich in protein (like quinoa), calcium (like teff), fiber, and an amino acid called lysine that's needed for tissue repair.11 Oatmeal Oatmeal is rich in folate, fiber, and potassium. Jenn Sinrich, Health, 7 Mar. 2023 See More

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 28 Feb. 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

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