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
\
adjective
Examples of peptide in a Sentence
Recent Examples on the Web
One of the crucial ways to study the history of proteins is to study peptides. — David Grossman, Popular Mechanics, "We're All Born from the Same 20 Amino Acids, So Can't We All Just Get Along?," 2 Aug. 2019 In addition to the other ingredients, Dr. Lancer explains that a mask is typically infused with other ingredients like stem cells, hyaluronic acid, or peptides. — Kathleen Hou, The Cut, "What’s in Your Sheet Mask?," 28 Mar. 2018 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. 2019These 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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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
\
adjective