arginine

noun

ar·​gi·​nine ˈär-jə-ˌnēn How to pronounce arginine (audio)
: a crystalline basic amino acid C6H14N4O2 derived from guanidine

Examples of arginine in a Sentence

Recent Examples on the Web The name refers to amino acids involved in two new mutations on the virus’s spike protein: phenylalanine (F), leucine (L), arginine (R) and threonine (T). Lauren J. Young, Scientific American, 5 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 These variants are offshoots of Omicron and get their name from their spike protein mutations: The amino phenylalanine (abbreviated as F) replaces the amino acid leucine (abbreviated as L), while the amino acid arginine (R) is replaced by threonine (T). Korin Miller, Verywell Health, 8 May 2024 Any accumulation of arginine can cause brain damage, epilepsy, and other neurological and muscular problems. William A. Haseltine, Forbes, 29 Mar. 2024 This formula is enriched with amino acids, citric acid, and arginine, which blend together to ward off all types of damage — including more extreme situations — while also providing an ideal environment for hair growth. Jessie Quinn, Peoplemag, 13 Feb. 2024 This rich yet lightweight cream is chock full of ceramides, hyaluronic acid, arginine and glycolipids to provide hydration that lasts, even for the thirstiest complexions. Celia Shatzman, Forbes, 30 Nov. 2023 The formula is enhanced with arginine, an amino acid that soothes sensitive and irritated skin. Lacey Muinos, Health, 4 Aug. 2023 With a unique combination of ingredients that include beta-alanine, creatine, caffeine, and arginine, this pre workout promises to enhance strength, focus, and endurance - all of which are crucial for top-performing athletes. Amber Smith, Discover Magazine, 10 July 2023

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

Word History

Etymology

German Arginin

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of arginine was in 1886

Dictionary Entries Near arginine

Cite this Entry

“Arginine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arginine. Accessed 21 Jul. 2024.

Kids Definition

arginine

noun
ar·​gi·​nine ˈär-jə-ˌnēn How to pronounce arginine (audio)
: an amino acid that is found in various proteins

Medical Definition

arginine

noun
ar·​gi·​nine ˈär-jə-ˌnēn How to pronounce arginine (audio)
: a crystalline basic amino acid C6H14N4O2 derived from guanidine
abbreviation Arg

More from Merriam-Webster on arginine

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