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 acid complex itself is designed to repair damage and prevent future irritation and redness with three amino acids—taurine, arginine, and glycine—and finding the most effective percentage of each ingredient in the mix took more than 100 rounds of testing to perfect. —Megan McIntyre, Allure, 16 Sep. 2025

Integral in this process is L-arginine:glycine amidinotransferase (AGAT), a key enzyme in creatine biosynthesis. —New Atlas, 23 July 2025

When taken as a sleep supplement, glycine helps support sleep quality and efficiency, promoting restful sleep.7 7. —Ayesha Gulzar, Verywell Health, 21 July 2025

Eggs themselves are not a source of collagen—but the egg white specifically contains proline and glycine, two essential amino acids for proper collagen production. —Alessandra Signorelli, Vogue, 1 July 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