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

Many of those peptides, however, are inevitably parts of proteins that belong in the body. Quanta Magazine, "Immune Cells Measure Time to Identify Foreign Proteins," 3 June 2019 These injectable synthetic peptides, including tesamorelin and ipamorelin, increase your body’s natural production of growth hormone (rather than flooding the system with synthetic forms of the stuff) and are slightly more affordable. Tatiana Boncompagni, Harper's BAZAAR, "Inside Hollywood's Dangerous Anti-Aging Secret," 21 May 2019 Diminish fine lines and wrinkles with this new vegan retinol cream that fuses a blend of vitamin F and peptides to improve skin’s texture and sensitivity. Jenna Rennert, Vogue, "13 New Beauty Products Worth the Hype in 2019," 9 Jan. 2019 This Best of Beauty-winning eye cream smooths lines using retinol, and boosts collagen (thanks to a combination of peptides) in the delicate skin under your eye area. Tanisha Pina, Allure, "The Best Beauty Deals From the Macy's Fall VIP Sale," 21 Sep. 2018 My new nighttime skin-care favorite contains peptides and botanicals to improve blood flow and reduce puffiness. Tiffany Dodson, SELF, "Ulta Is Having a 50 Percent Off Sale on Skin-Care—Here’s Everything I Want," 18 Jan. 2019 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

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

12 Jul 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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