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 The Persian silk tree bark extract can help reduce the look of puffiness, dark circles and crows feet, with palmitoyl glycine helping fade the appearance of lines and wrinkles. Nicole Saunders, CNN Underscored, "The 20 best under-eye concealers, according to celebrity makeup artists," 26 Dec. 2019 In 2013, however, chemical biologist Kevan Shokat’s lab at the University of California, San Francisco, identified a small molecule that could slip into a groove on a KRAS mutant called G12C (for a glycine mutated to a cysteine at position 12). Jocelyn Kaiser, Science | AAAS, "Two new drugs finally hit ‘undruggable’ cancer target, providing hope for treatments," 30 Oct. 2019 The supplements specifically contain high amounts of three amino acids that are key building blocks for collagen synthesis in the body: glycine, proline and hydroxyproline. Lisa Drayer, CNN, "Is ingestible collagen the fountain of youth? Maybe," 17 Oct. 2019 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

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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Time Traveler for glycine

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The first known use of glycine was in 1851

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Statistics for glycine

Cite this Entry

“Glycine.” Dictionary, Merriam-Webster, Accessed 18 Sep. 2020.

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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

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