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

Keep scrolling for more

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 More than makeup, Mary Kay’s creamy medium- to full-coverage foundation delivers hydrating and anti-aging effects via ingredients like softening vitamin E, radiance- enhancing niacinamide and smoothing peptides. April Franzino, Good Housekeeping, "Good Housekeeping's 2020 Beauty Awards," 28 Apr. 2020 For her under eyes, Wang uses Erno Laszlo's Multi-Task Eye Gel Cream, which contains peptides to reduce puffiness and apple extract (a natural form of vitamin C) to brighten dark circles. Kaleigh Fasanella, Allure, "Digital Influencer Jessica Wang Shared All of the Products She Uses in Her Morning Skin-Care Routine," 12 Apr. 2020 Made of a peptide complex and ceramides, this recovery cream reverses the look of redness and inflammation while also strengthening the skin's barrier against environmental stressors and dryness. Maya Allen, Marie Claire, "Why Kate Somerville's DeliKate Recovery Cream Is Worth It," 29 Apr. 2020 The vitamin C brightens, while the peptides and antioxidants protect. Popular Science, "Eye creams that target dark circles, fine lines, and dull skin," 3 Nov. 2019 Keep your skin hydrated throughout the day by using a facial spray — this mist from Youth to the People has peptides and hyaluronic acid with soothing properties. Elizabeth Rhodes, Travel + Leisure, "Expert Advice on Keeping Your Skin Happy and Healthy While Working From Home," 27 Apr. 2020 The acetyl glycyl beta-alanine ingredient in the formula stood out to Jaliman, who says this peptide will probably help lighten the pigment of a scar while also working to even out skin tone. Maya Gandara, Health.com, "Shoppers Swear By Derma-E’s Scar Gel For Healing Stubborn Acne Marks," 15 Apr. 2020 If desired, put a scoop of collagen peptides in the bottom of the mug before pouring in the coffee and stir to combine. Julia O'malley, Anchorage Daily News, "This coffee may not make you bulletproof, but it’ll sure help you get through cold, dark winter mornings," 31 Jan. 2020 The foundation claims that collagen firms the skin for a smoother appearance, niacin improves the skin tone and texture, peptides reduce wrinkles, antioxidants protect against free radical damage, and hyaluronic acid moisturizes. Jessica Kasparian, USA TODAY, "20 beauty products people are obsessed with at Ulta," 13 Mar. 2020

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.

See More

First Known Use of peptide

1906, in the meaning defined above

History and Etymology for peptide

International Scientific Vocabulary, from peptone

Keep scrolling for more

Learn More about peptide

Time Traveler for peptide

Time Traveler

The first known use of peptide was in 1906

See more words from the same year

Statistics for peptide

Cite this Entry

“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 24 Sep. 2020.

Keep scrolling for more

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

Comments on peptide

What made you want to look up peptide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!