glycine

noun

gly·​cine ˈglī-ˌsēn How to pronounce glycine (audio) ˈglī-sᵊn How to pronounce glycine (audio)
: a sweet crystalline amino acid C2H5NO2 obtained especially by hydrolysis of proteins

Examples of glycine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Magnesium glycinate may still be helpful for some people, but the benefits may be more related to magnesium itself rather than the glycine portion. — Morgan Pearson, Verywell Health, 7 July 2026 It’s made using three amino acids—arginine, glycine and methionine. — Jackie Flynn Mogensen, Scientific American, 7 July 2026 And Susie points to recent research that highlights how bone broth contains amino acids like glutamine, glycine, proline, histidine and arginine, which can collectively be helpful with immune function, tissue repair and muscle recovery. — Daryl Austin, USA Today, 6 June 2026 Your body breaks it down into amino acids, primarily glycine, proline, and hydroxyproline. — Jillian Kubala, Health, 4 June 2026 See All Example Sentences for glycine

Word History

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of glycine was in 1851

Rhymes for glycine

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Browse Nearby Words

glycin
glycine
glycinin
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Cite this Entry

“Glycine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glycine. Accessed 14 Jul. 2026.

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Medical Definition

glycine

noun
gly·​cine ˈglī-ˌsēn How to pronounce glycine (audio) ˈglīs-ᵊn How to pronounce glycine (audio)
: 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

More from Merriam-Webster on glycine

Britannica.com: Encyclopedia article about glycine

Last Updated: - Updated example sentences
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