: 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
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By examining the frog's secretions, the researchers focused on a peptide called Andersonnin-D1 that exhibits antimicrobial action.
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Michael Franco, New Atlas, 26 Mar. 2025
Skincare ingredients such as hyaluronic acid, Niacinamide, peptides, and salicylic acid also slowly found their way into shampoos, conditioners, exfoliants, tonics, and masks.
—Bianca Salonga, Forbes, 26 Mar. 2025
The company’s medicines targeting obesity have gotten attention recently amid the public’s demand for injectable glucagon-like peptide 1 (GLP-1) agonists, some more commonly known as Ozempic and Wegovy.
—Natallie Rocha, San Diego Union-Tribune, 25 Mar. 2025
Infused with hyaluronic acid and peptides to hydrate and plump the skin, the full coverage concealer also has optimal diffusion powder.
—Jenny Berg, Vogue, 22 Mar. 2025
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Michael Franco, New Atlas, 26 Mar. 2025
Skincare ingredients such as hyaluronic acid, Niacinamide, peptides, and salicylic acid also slowly found their way into shampoos, conditioners, exfoliants, tonics, and masks.
—Bianca Salonga, Forbes, 26 Mar. 2025
The company’s medicines targeting obesity have gotten attention recently amid the public’s demand for injectable glucagon-like peptide 1 (GLP-1) agonists, some more commonly known as Ozempic and Wegovy.
—Natallie Rocha, San Diego Union-Tribune, 25 Mar. 2025
Infused with hyaluronic acid and peptides to hydrate and plump the skin, the full coverage concealer also has optimal diffusion powder.
—Jenny Berg, Vogue, 22 Mar. 2025
See All Example Sentences for peptide
Cite this Entry
“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 4 Apr. 2025.
Copy CitationKids 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
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