peptide

noun

pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: 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
peptidic adjective

Example Sentences

Recent Examples on the Web The Crepe Erase Body Firm Advanced Body Repair Treatment is formulated with the brand’s TruFirm peptide Complex to boost elastin and collagen all over. Ava Darrin, ELLE, 16 Nov. 2022 According to that study, the molecule is called pH-low insertion peptide (pHLIP), and it is drawn to acidic environments. Joshua Hawkins, BGR, 20 Oct. 2022 The powerful peptide complex also works over the longer-term to visibly reduce puffiness, under-eye bags, and wrinkles. Grooming Playbook, The Salt Lake Tribune, 4 Oct. 2022 This peptide serum is perfect for those who prefer sustainable beauty products. Madison Yauger, Peoplemag, 13 Sep. 2022 Both drugs mimic a hormone called glucagon-like peptide 1, which can signal the brain in ways that make people feel fuller. Julie Appleby, CBS News, 19 Oct. 2022 Both drugs mimic a hormone called glucagon-like peptide 1, which can signal the brain in ways that make people feel fuller. Kaiser Health News, oregonlive, 17 Oct. 2022 Haley's lip peptide—in the salted caramel—is so good too. Anna Moeslein, Glamour, 27 Sep. 2022 These medications can include tricyclic antidepressants, blood pressure medications, antiseizure drugs, and calcitonin gene receptor peptide (CGRP) antagonists, among others, as SELF has previously reported. Colleen Stinchcombe, SELF, 16 Sep. 2022 See More

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.

Word History

Etymology

International Scientific Vocabulary, from peptone

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of peptide was in 1906

Dictionary Entries Near peptide

Cite this Entry

“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 9 Dec. 2022.

Kids Definition

peptide

noun
pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: any of various substances that are usually obtained by the partial breakdown of proteins

Medical Definition

peptide

noun
pep·​tide ˈpep-ˌtīd How to pronounce peptide (audio)
: 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
peptidic adjective

More from Merriam-Webster on peptide

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ