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.
Creatine is a naturally occurring compound that your body creates from three amino acids—arginine, glycine, and methionine. Sarah Anzlovar, Ms, Rd, Verywell Health, 27 Feb. 2025 The face cream comes with a rich texture containing 4 percent niacinamide and rice oil, while the lightweight eye cream features daisy and hawkweed extracts, in addition to arginine and squalene. Sandra Salibian, WWD, 4 Feb. 2025 Key Ingredients: Glycerin, sodium PCA, arginine, biotin Editor’s Note: Formula aside, the wand was the biggest selling point for me. Kiana Murden, Vogue, 12 Feb. 2025 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 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

Browse Nearby Words

Cite this Entry

“Arginine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arginine. Accessed 9 Mar. 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

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