peptide

noun
pep·​tide | \ ˈpep-ˌtīd How to pronounce peptide (audio) \

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 How to pronounce peptidic (audio) \ adjective

Examples of peptide in a Sentence

Recent Examples on the Web

This multi-peptide serum works gently on sensitive skin, is so easy to use, and has a cult following for its all-in-one anti-aging benefits. Kelly O'sullivan, Country Living, "I'm Addicted to Anti-Aging Products and The Ordinary Is the Best Brand I've Ever Used," 13 Feb. 2019 Experts also recommend creams and serums with hyaluronic acid, ceramides, and peptides to hydrate and stimulate collagen and elastin production, plumping up the skin and pushing it away from the pooled blood. Talia Abbas, SELF, "Puffy Eyes, Dark Circles, and Bags: Dermatologists Explain the Difference," 8 Aug. 2018 But that's offset with additives like nourishing kale and winter cherry, skin-strengthening peptides, and marula and jojoba oils to help prevent any peeling that comes from retinol. Bella Cacciatore, Glamour, "Drunk Elephant's Vegan Retinol Doesn't Irritate My Sensitive Skin," 26 Dec. 2018 Next comes a hefty layer of hyaluronic acid serum, like Dr. Nigma's elixir, packed with marine peptides to plump skin from the inside out. Jenna Rennert, Vogue, "7 Skincare Cures for Erasing All Signs of a Holiday Hangover," 26 Nov. 2018 Key ingredients to look for in a night cream often include retinol, to help to minimize the appearance of wrinkles, along with peptides, which assist in collagen production. Rachel Jacoby Zoldan, SELF, "These Are the Best Night Creams, According to Dermatologists," 15 Nov. 2018 Serums with peptides or procyanidins (a class of antioxidants) such as niacinamide can help support overall scalp health and reduce inflammation, which is a major component of hair loss, says New York City dermatologist Doris Day. Jessica Chia, Allure, "The Best Hair Loss Treatments for Every Budget," 15 Oct. 2018 Apply a cream with peptides, which firm up elasticity, and soy or licorice extract, which lighten dark spots. Melissa Matthews, Woman's Day, "The Foolproof Anti-Aging Skin Routine," 24 Aug. 2015 My current obsession is Drunk Elephant C-Firma Day Serum, due to its potent mix of vitamin C, peptides, ferulic acid, and vitamin E, which all work to help brighten, tighten, and protect. Chloe Atkins, Vogue, "These 5 Dermatologist-Approved Serums Promise Brighter, Better Skin," 8 Oct. 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

22 Feb 2019

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 How to pronounce peptide (audio) \

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 How to pronounce peptidic (audio) \ adjective

More from Merriam-Webster on peptide

Britannica.com: Encyclopedia article about peptide

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