any of a group of compounds formed from two or more amino acids by the linkage of amino groups of some of the acids with carboxyl groups of others, or by the hydrolysis of proteins
Origin of peptide
pept(one) + -ide
noun
The definition of a peptide is a compound that contains two or more amino acids that is formed by the breaking down of proteins or by being linked together in a defined order.
An example of a peptide is a simple protein in a lab.
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peptide
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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peptide
noun
Any of various natural or synthetic compounds containing two or more amino acids joined by peptide bonds that link the carboxyl group of one amino acid to the amino group of another.
Origin of peptide
pept(one) -ideRelated Forms:
- pep·tid′ic
adjective
- pep·tid′i·cal·ly
adverb
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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peptide. (n.d.). Retrieved March 22nd, 2019, from https://www.yourdictionary.com/peptide
A chemical compound that is composed of a chain of two or more amino acids and is usually smaller than a protein. The amino acids can be alike or different. Many hormones and antibiotics are peptides.
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peptide. (n.d.). Retrieved March 22nd, 2019, from https://www.yourdictionary.com/peptide
Noun
(plural peptides)
- (biochemistry) A class of organic compounds consisting of various numbers of amino acids in which the amine of one is reacted with the carboxylic acid of the next to form an amide bond.
- (biochemistry) The peptide bond itself.
Origin
From Ancient Greek πεπτός (peptos, “digested”).
English Wiktionary. Available under CC-BY-SA license.
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"peptide." YourDictionary, n.d. Web. 22 March 2019. <https://www.yourdictionary.com/peptide>.
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peptide - Medical Definition
n.
Any of various natural or synthetic compounds containing two or more amino acids joined by peptide bonds that link the carboxyl group of one amino acid to the amino group of another.
Related Forms:
- pep·tid′ic (-tĭd′ĭk)
adj.
- pep·tid′i·cal·ly
adv.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"peptide." YourDictionary, n.d. Web. 22 March 2019. <https://www.yourdictionary.com/peptide>.
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peptide. (n.d.). Retrieved March 22nd, 2019, from https://www.yourdictionary.com/peptide
Sentence Examples
- C8 Peptide Treatment with kinetin and zeatin is an excellent complement to physician-performed injections.
- Copper peptide is a chemical compound that increases the natural production of regular collagen in the skin and breaks down the extra-large collagens that form themselves in wrinkling and scarring.
- Since hCG plays an important role in the weight loss "cure" it helps to take a look at what it is--a peptide hormone produced in pregnancy and by some tumors.
- Copper Peptides: A relative newcomer to the anti-aging world, the copper peptide is quickly becoming recognized for its firming properties.
- Originally identified as a compound that helps wounds heal, copper peptide is now commonly found in skin care products.
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