arginine

noun

ar·​gi·​nine ˈär-jə-ˌnēn 

: a crystalline basic amino acid C₆H₁₄N₄O₂ derived from guanidine

Examples of arginine in a Sentence

Recent Examples on the Web

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

Word History

Etymology

German Arginin

First Known Use

1886, in the meaning defined above

Rhymes for arginine

• acridine
• alkaline
• andesine
• anodyne
• anticline
• asinine
• atropine
• benzidine
• borderline
• byzantine
• calamine
• caroline

Kids Definition

arginine

noun

ar·​gi·​nine ˈär-jə-ˌnēn 

: an amino acid that is found in various proteins

Medical Definition

arginine

noun

ar·​gi·​nine ˈär-jə-ˌnēn 

: a crystalline basic amino acid C₆H₁₄N₄O₂ derived from guanidine

—abbreviation Arg