peptide

noun

pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: 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
peptidic adjective

Examples of peptide in a Sentence

Recent Examples on the Web From that happy incident emerged the brand’s Pitera complex, which is rich in peptides, vitamins, and minerals and responsible for hydrating and brightening skin. Deanna Pai, Vogue, 13 Mar. 2024 The formula is a gel-cream that hydrates skin with ingredients like collagen-boosting copper peptides, smoothing saccharide isomerate, moisture-retaining sodium PCA, and calming zinc oxide. Danielle Sinay, Glamour, 8 Mar. 2024 This cream contains oat peptides, which help to protect and lock in moisture, giving my hair a healthy shine. Essence, 5 Mar. 2024 There are more than 100 million adults in the U.S. living with conditions approved to be treated with glucagon-like peptide 1 or GLP-1 drugs. Joshua Cohen, Forbes, 1 Mar. 2024 Known as glucagon-like peptide 1 or GLP-1 receptor agonists, these drugs were originally developed to treat type 2 diabetes. Nathaniel Meyersohn, CNN, 1 Mar. 2024 The drugs, known as glucagon-like peptide 1 receptor agonists, were first developed for Type 2 diabetes. Emma Court, Fortune Well, 31 Jan. 2024 There’s the Soft Serve After Shave Oil, which prevents razor burn and ingrown hairs with a blend of anti-inflammatory peptides to reduce redness and heal bumps, hyaluronic acid to hydrate and strawberry that’s naturally loaded with AHAs to exfoliate. Celia Shatzman, Forbes, 1 Mar. 2024 Clinique Smart Clinical Repair Wrinkle Correcting Serum Perfect for all skin types, this serum with retinol and peptides is designed with nonirritating ingredients. Glamour, 1 Mar. 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

Time Traveler
The first known use of peptide was in 1906

Dictionary Entries Near peptide

Cite this Entry

“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 28 Mar. 2024.

Kids Definition

peptide

noun
pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: any of various substances that are usually obtained by the partial breakdown of proteins

Medical Definition

peptide

noun
pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: 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
peptidic adjective

More from Merriam-Webster on peptide

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