: 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
Food company Nestlé has announced plans to launch a line of frozen meals made especially for people taking a class of drugs called glucagon-like peptide 1 (GLP-1) receptor agonists, which includes diabetes and anti-obesity medications Ozempic and Wegovy.
—
Fran Kritz, Verywell Health, 3 June 2024
Pumped with peptides and a skin-softening cocktail of babassu oil and PHA, this glassy mask feels like a spa for your lips (and can even double as a gloss).
—Alyssa Brascia, Peoplemag, 30 May 2024
The formula includes bakuchiol, collagen-boosting peptides, and antioxidants to reduce the appearance of fine lines and wrinkles all while giving essential protection from the sun.
—Meaghan Kenny, Condé Nast Traveler, 17 Jan. 2023
Amazon Peach & Lily’s Skin Serum Is Full of Vitamins and Minerals
With a mix of hyaluronic acid, peptides, and niacinamide, this skin serum can transform your appearance overnight.
—Mia Meltzer, Rolling Stone, 20 May 2024
See all Example Sentences for peptide 
Fran Kritz, Verywell Health, 3 June 2024
Pumped with peptides and a skin-softening cocktail of babassu oil and PHA, this glassy mask feels like a spa for your lips (and can even double as a gloss).
—Alyssa Brascia, Peoplemag, 30 May 2024
The formula includes bakuchiol, collagen-boosting peptides, and antioxidants to reduce the appearance of fine lines and wrinkles all while giving essential protection from the sun.
—Meaghan Kenny, Condé Nast Traveler, 17 Jan. 2023
Amazon Peach & Lily’s Skin Serum Is Full of Vitamins and Minerals
With a mix of hyaluronic acid, peptides, and niacinamide, this skin serum can transform your appearance overnight.
—Mia Meltzer, Rolling Stone, 20 May 2024
See all Example Sentences for peptide
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.
Dictionary Entries Near peptide
Cite this Entry
“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 13 Jun. 2024.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share