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

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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.
Importantly, in the ancient atmosphere sample, sprays of water alone were enough to ionize the air and trigger the formation of organic molecules with carbon-nitrogen bonds, such as hydrogen cyanide, glycine and uracil. — Michael Irving, New Atlas, 17 Mar. 2025 Glutathione is a protective antioxidant composed of three amino acids: cysteine, glutamic acid and glycine. — Adrianna Rodriguez, USA TODAY, 6 Feb. 2025 Creatine is a naturally occurring compound that your body creates from three amino acids—arginine, glycine, and methionine. — Sarah Anzlovar, Ms, Rd, Verywell Health, 27 Feb. 2025 Magnesium glycinate: This form of magnesium is bound to the amino acid glycine and is best taken before bed. — Fiona Embleton, Glamour, 11 Feb. 2025 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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glycine
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“Glycine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glycine. Accessed 24 Mar. 2025.

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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

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