arginine

noun

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

Example Sentences

Recent Examples on the Web Some studies have found that taking arginine supplements may help improve ED. Amber Smith, Discover Magazine, 14 Jan. 2023 Some mutate the arginine (R) to glycine (G), while others leave it unmutated. William A. Haseltine, Forbes, 10 Feb. 2023 Sports Organic Pea Protein has over 2,700 mg of branched chain amino acids and over 1,300 milligrams of L-arginine in each serving. Amber Smith, Discover Magazine, 22 Dec. 2022 The half-life of arginine ranges from 30 to 120 minutes, depending on dose and individual. Amber Smith, Discover Magazine, 17 Oct. 2022 Some common natural ingredients found in OTC ED pills include horny goat weed, ginseng, and L-arginine. Amber Smith, Discover Magazine, 14 Jan. 2023 Semenax also contains the amino acid L-arginine HCL. Dallas News, 23 Dec. 2022 Green tea, coconut oil, arginine, and hyaluronic acid help to protect your skin from environmental pollutants and restore your skin barrier, giving you glowing skin. Dallas News, 4 Oct. 2022 So, many people take L-arginine for things like erectile dysfunction and to treat heart conditions. Erica Sweeney, Men's Health, 25 Jan. 2023 See More

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 30 Mar. 2023.

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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