gly·​cine | \ ˈglī-ˌsēn How to pronounce glycine (audio) , ˈglī-sᵊn\

Definition of glycine

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

Examples of glycine in a Sentence

Recent Examples on the Web

Consuming collagen is a particularly great way to get more conditional amino acids, like arginine, glutamine, glycine and proline. Better Health Market, Detroit Free Press, "The top 5 ways collagen can help your body run better," 30 July 2019 According to research by the American Chemical Society, drinking a cup of Chamomile tea is associated with an increase in the body's production of a chemical called glycine, which relaxes the nerves and acts as a mild sedative. Noelle Devoe, Seventeen, "9 Life-Changing Hacks to Help You Fall Asleep Faster," 16 Feb. 2016 Collagen Peptides There are two amino acids in the protein collagen — proline and glycine — that are essential for the formation and repair of joints, bones, muscles, and tendons, Dr. Bowe says. Amy Capetta, Woman's Day, "5 Anti-Aging Supplements That May Actually Work," 16 Oct. 2018 Each little packet comes with a single-use wipe saturated with 19 percent aluminum zirconium tetrachlorohydrex glycine, the main antiperspirant ingredient in most deodorants, at one of the highest strengths available for an over-the-counter product. Chloe Metzger, Marie Claire, "The 5 Truly Spectacular Beauty Products I'm Loving This Week," 3 Aug. 2018 There’s some evidence that certain amino acids found in collagen — in particular, one called glycine — may reduce GI inflammation and aid digestion. Markham Heid, Good Housekeeping, "5 Things You Need to Know Before Taking a Collagen Supplement," 12 July 2018 The Stardust recovery mission found organics and glycine - one of the simplest amino acids. Jamie Seidel, Fox News, "Wild new alien theory emerges," 28 June 2018 Rosetta sent back mass spectrometry data showing that glycine, the simplest amino acid, was present on the comet. Luba Ostashevsky, Ars Technica, "How did life begin? It’s Chemistry 101, but in space," 26 Feb. 2018 The collagen found in our bodies is made up of several amino acids, including glycine, proline, hydroxyproline, and arginine. Elise Deming, Rdn, Ldn,, "What is collagen and why are people eating it?," 26 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'glycine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of glycine

1851, in the meaning defined above

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Last Updated

5 Aug 2019

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The first known use of glycine was in 1851

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More Definitions for glycine


gly·​cine | \ ˈglī-ˌsēn How to pronounce glycine (audio) , ˈglīs-ᵊn How to pronounce glycine (audio) \

Medical Definition of glycine

: 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 Encyclopedia article about glycine

Comments on glycine

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readily or continually undergoing change

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