Definition of arginine in English:


Line breaks: ar¦gin|ine
Pronunciation: /ˈɑːdʒɪniːn


[mass noun] Biochemistry
  • A basic amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
    • Chemical formula: HNC(NH2)NH(CH2)3CH(NH2)COOH
    More example sentences
    • Guanidoacetate itself is formed in the kidney from the amino acids arginine and glycine.
    • The amino acids arginine and leucine are noncarbohydrate inducers of insulin.
    • The conditionally essential amino acid arginine has also been added to this formula to help support growth factor production.


late 19th century: from German Arginin, perhaps from Greek arginoeis 'bright-shining, white'.

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Pronunciation: skəʊʃ
a small amount; a little