: 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
Blood tests can also help diagnose systolic heart failure, such as the blood test for B-type natriuretic peptide (BNP), a hormone made by the heart.
—
Alexandria Nyembwe, Phd, Rn, Health, 4 Nov. 2024
But instead of the dry, flaky mattes of our youth, these go on buttery soft and manage to cushion lips in peptides, hyaluronic acid, and botanical extracts for a hydrated, plump pout.
—Kiana Murden, Vogue, 1 Nov. 2024
This smoothing formula makes skin look and feel suppler through its proprietary peptides alongside antioxidant-rich rosehip oil and sea buckthorn extract.
—Jennifer Hussein, Allure, 29 Oct. 2024
With the widespread use of glucagon-like peptide 1 (GLP-1) receptor agonist drugs, which are very effective at shedding weight, researchers were concerned that this rapid loss could negatively affect skeletal muscle health.
—New Atlas, 28 Oct. 2024
See all Example Sentences for peptide 
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.
Alexandria Nyembwe, Phd, Rn, Health, 4 Nov. 2024
But instead of the dry, flaky mattes of our youth, these go on buttery soft and manage to cushion lips in peptides, hyaluronic acid, and botanical extracts for a hydrated, plump pout.
—Kiana Murden, Vogue, 1 Nov. 2024
This smoothing formula makes skin look and feel suppler through its proprietary peptides alongside antioxidant-rich rosehip oil and sea buckthorn extract.
—Jennifer Hussein, Allure, 29 Oct. 2024
With the widespread use of glucagon-like peptide 1 (GLP-1) receptor agonist drugs, which are very effective at shedding weight, researchers were concerned that this rapid loss could negatively affect skeletal muscle health.
—New Atlas, 28 Oct. 2024
See all Example Sentences for peptide
Dictionary Entries Near peptide
Cite this Entry
“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 22 Nov. 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