peptide

noun
pep·​tide | \ˈpep-ˌtīd \

Definition of peptide 

: 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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Other Words from peptide

peptidic \pep-​ˈti-​dik \ adjective

Examples of peptide in a Sentence

Recent Examples on the Web

Always treat your neck and chest with peptide-rich products followed by a generous application of sunscreen. Mia Adorante, Harper's BAZAAR, "Celebrity Facialists Sound Off on Their Top Tips for Red Carpet-Worthy Skin," 28 Sep. 2018 Collagen naturally breaks down over time, but certain ingredients, such as retinol and peptides (including Matrixyl), can stimulate new collagen production. Allure, "The Skin-Care Glossary: A Comprehensive Guide to Everything You Need to Know," 17 Aug. 2018 If these peptides have enough irregularities, the immune system may identify them as problems and mark them for destruction. Keridwen Cornelius, Scientific American, "A Shot against Cancer Slated for Testing in Massive Dog Study," 7 June 2018 Neck Cream Your anti-aging routine should extend below your chin, but most neck creams are just thick moisturizers with ingredients like peptides that can usually be found in a night cream for the face—just use that on your neck, too. Melanie Rud, Good Housekeeping, "3 Ways to Save on Anti-Aging Products," 6 Aug. 2013 One of the brand's best-sellers, this hydrating face cream combines collagen and hyaluronic acid to plump fine lines and wrinkles, while niacin, peptides, a ceramide complex help lock in moisture. Lindsay Schallon, Glamour, "The It Cosmetics Foundation I Tell Everyone About Is 25 Percent Off," 2 Nov. 2018 The formula is almost balm-line its moisturizing and smoothing properties, with hyaluronic acid, peptides, softening polymers, and emollient oils. Marci Robin, Allure, "Charlotte Tilbury Launches Superstar Lips, a Limited-Edition Glossy Lipstick," 6 Oct. 2018 Erdman says products like Revitabrow, Rapidlash, and Prevage are packed with vitamins, peptides, and other strengthening ingredients that create an ideal environment for growth. Blake Bakkila, Good Housekeeping, "Do Eyebrows Grow Back When You've Over-plucked?," 21 Aug. 2018 Erenumab works to bind to the nerves to which the peptide would usually bind, blocking the pain. Fiza Pirani, ajc, "FDA approves new drug to stop chronic migraines without side effects," 21 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peptide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of peptide

1906, in the meaning defined above

History and Etymology for peptide

International Scientific Vocabulary, from peptone

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Statistics for peptide

Last Updated

29 Nov 2018

Look-up Popularity

Time Traveler for peptide

The first known use of peptide was in 1906

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More Definitions for peptide

peptide

noun
pep·​tide | \ˈpep-ˌtīd \

Medical Definition of peptide 

: 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

Other Words from peptide

peptidic \pep-​ˈtid-​ik \ adjective

More from Merriam-Webster on peptide

Britannica.com: Encyclopedia article about peptide

Comments on peptide

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