peptide

noun

pep·​tide ˈpep-ˌtīd 

: 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

pep-ˈti-dik 

adjective

Examples of peptide in a Sentence

Recent Examples on the Web

Amazon Peach & Lily’s Skin Serum Is Full of Vitamins and Minerals With a mix of hyaluronic acid, peptides, and niacinamide, this skin serum can transform your appearance overnight. —Mia Meltzer, Rolling Stone, 20 May 2024

However, at Fulcrum, the policy is to administer treatments only every 12 weeks to prevent any potential antibody response against the toxin's peptide component, which could render the treatment less effective or ineffective. —Nick Kasmik, USA TODAY, 18 May 2024

Word History

Etymology

International Scientific Vocabulary, from peptone

First Known Use

1906, in the meaning defined above

Phrases Containing peptide

• amyloid beta peptide
• atrial natriuretic peptide
• beta-amyloid peptide
• opioid peptide
• peptide bond
• peptide linkage

Kids Definition

peptide

noun

pep·​tide ˈpep-ˌtīd 

: any of various substances that are usually obtained by the partial breakdown of proteins

Medical Definition

peptide

noun

pep·​tide ˈpep-ˌtīd 

: 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

pep-ˈtid-ik 

adjective