glycine

noun

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

Example Sentences

Recent Examples on the Web At its core, GlyNAC is a mixture of glycine, an amino acid, and the medicine N-acetylcysteine (or NAC). Joshua Hawkins, BGR, 24 Mar. 2022 That shows up in the chapter on atropine, the toxin in deadly nightshade that blocks the neurotransmitter acetylcholine, and again in the chapter on strychnine, a popular rat killer that blocks the neurotransmitter glycine. Diana Gitig, Ars Technica, 13 Mar. 2022 This anti-aging ingredient is combined with hydrating squalane and antioxidant-rich glycine, which come together to strengthen the moisture barrier and prevent future dryness. Emily Belfiore, Travel + Leisure, 10 Mar. 2022 This creates what scientists call an amino acid glycine, a key figure in the hunt for the origin of life. Joshua Hawkins, BGR, 15 Feb. 2022 There were also traces of an amino acid — glycine — adding weight to the idea that comets could be source of the building blocks of life. The Week Staff, The Week, 1 Oct. 2018 The change from glycine to arginine at position 204 introduces a positive charge into a region that is predominantly neutral. William A. Haseltine, Forbes, 10 Dec. 2021 This insertion added the peptide GLTSKRN (glycine-leucine-threonine-serine-lysine-arginine-asparagine) between Spike protein positions 214 and 215. William A. Haseltine, Forbes, 28 Sep. 2021 The change from glycine to arginine at position 204 introduces a second positive charge into a region that is predominantly neutral. William A. Haseltine, Forbes, 20 Sep. 2021 See More

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.

Word History

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of glycine was in 1851

Dictionary Entries Near glycine

Cite this Entry

“Glycine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glycine. Accessed 26 Nov. 2022.

Medical Definition

glycine

noun

: 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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