: the monovalent acyl radical NH2CH2CO− of glycine

Examples of glycyl 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.
The acetyl glycyl beta-alanine ingredient in the formula stood out to Jaliman, who says this peptide will probably help lighten the pigment of a scar while also working to even out skin tone. — Maya Gandara, Health.com, 15 Apr. 2020 Previous analyses had suggested that the genes responsible for making toluene were likely glycyl radical enzymes (GREs), a small family of proteins that carry out other complex chemical reactions. — Robert F. Service, Science | AAAS, 21 Mar. 2018

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of glycyl was in 1901

Cite this Entry

“Glycyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glycyl. Accessed 24 Sep. 2026.

Medical Definition

: the amino acid radical or residue H2NCH2CO− of glycine
—abbreviation Gly
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster