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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The formula uses a strengthening complex featuring amino acids, arginine, and citric acid to revive damaged hair and prevent future breakage. Kiana Murden, Vogue, 28 Dec. 2024 Key ingredients like arginine, soy protein, and lavender water work together to condition and strengthen brows, reduce breakage, and encourage steady growth over time. Christa Joanna Lee, Allure, 19 Dec. 2024 There’s also a dose of arginine, an important amino acid that’s one of the key building blocks of collagen. Justin Fenner, Robb Report, 19 Dec. 2024 Meanwhile, arginine increases blood flow to the hair follicles, which also stimulates growth. Kiana Murden, Vogue, 18 Dec. 2024 See all Example Sentences for arginine 

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 10 Jan. 2025.

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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