glycine

noun

gly·​cine ˈglī-ˌsēn  ˈglī-sᵊn 

: a sweet crystalline amino acid C₂H₅NO₂ obtained especially by hydrolysis of proteins

Examples of glycine in a Sentence

Recent Examples on the Web

The amino acids required for collagen synthesis, particularly glycine, proline, and lysine, are readily available from a wide range of foods including eggs, fish, poultry, dairy products, legumes, soy foods and meat. —Leeann Weintraub, Daily News, 5 Feb. 2026

Thin layers of frozen glycine were placed on a cold surface in a vacuum chamber that mimics a dense cloud of gas and dust in space. —William A. Haseltine, Forbes.com, 28 Jan. 2026

It is made from three amino acids: arginine, glycine, and methionine. —Lindsay Curtis, Verywell Health, 25 Jan. 2026

Scallops Scallops are a source of lean protein and high in the amino acids taurine and glycine. —Jillian Kubala, Health, 31 Dec. 2025

Word History

First Known Use

1851, in the meaning defined above

Rhymes for glycine

• agin
• alkene
• allene
• ameen
• amin
• amine
• arene
• athene
• baleen
• beeline
• benzene
• between

Medical Definition

glycine

noun

gly·​cine ˈglī-ˌsēn  ˈglīs-ᵊn 

: a sweet crystalline nonessential amino acid C₂H₅NO₂ that is a neurotransmitter which induces inhibition of postsynaptic neurons, is obtained by hydrolysis of proteins or is prepared synthetically, and is used in the form of its salt as an antacid or in aqueous solution as an irrigating fluid in transurethral surgery

—abbreviation Gly

called also aminoacetic acid, glycocoll