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: any of various amides that are derived from two or more amino acids by combination of the amino group of one acid with the carboxyl group of another and are usually obtained by partial hydrolysis of proteins
Examples of peptide in a Sentence
Recent Examples on the Web
This lightweight, oil-free gel cream is formulated with ingredients such as hyaluronic acid, peptides, niacinamide, and vegan squalane to provide intense hydration and reduce the appearance of fine lines and wrinkles.
—Nora Colomer, Fox News, 17 May 2024
Grande Cosmetics Lash Enhancing Serum It’s packed with powerful ingredients, like peptides, amino acids, and hyaluronic acid, that work together to nourish and coat individual hair follicles.
—Taylor Jean Stephan, Peoplemag, 16 May 2024
The medications, which belong to a class of drugs called glucagon-like peptide (GLP-1) receptor agonists, have list prices of over $1,000 per month.
—Fran Kritz, Verywell Health, 15 May 2024
Along with caffeine, hyaluronic acid and peptides work to provide maximum hydration and eliminate dark circles.
—Enjanae' Taylor, Southern Living, 2 May 2024
The firm reported on Thursday that net sales in Q1 were up 24%, and sales within diabetes and obesity care increased by 25%, mainly driven by glucagon-like peptide 1 (GLP-1) diabetes sales growth.
—Sheryl Estrada, Fortune, 3 May 2024
The 37-year-old then turned to Jamie Gabel PA-C, a certified physician assistant who specializes in helping patients build a wellness program of injectable peptides and hormones.
—Vanessa Etienne, Peoplemag, 3 May 2024
The licorice extract, peptides, and aloe vera work to brighten dark circles.
—Enjanae' Taylor, Southern Living, 2 May 2024
The scientists conducted the early work, beginning in the 1970s, on glucagon-like peptides, or GLPs, that first transformed the treatment of diabetes and now that of obesity.
—TIME, 2 May 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'peptide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
International Scientific Vocabulary, from peptone
First Known Use
1906, in the meaning defined above
Phrases Containing peptide
Dictionary Entries Near peptide
Cite this Entry
“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 24 May. 2024.
Kids Definition
peptide
noun
pep·tide
ˈpep-ˌtīd
: any of various substances that are usually obtained by the partial breakdown of proteins
Medical Definition
peptide
noun
pep·tide
ˈpep-ˌtīd
: any of various amides that are derived from two or more amino acids by combination of the amino group of one acid with the carboxyl group of another and are usually obtained by partial hydrolysis of proteins
More from Merriam-Webster on peptide
Britannica.com: Encyclopedia article about peptide
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