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peptide

[pep-tahyd]
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noun Biochemistry.
  1. a compound containing two or more amino acids in which the carboxyl group of one acid is linked to the amino group of the other.
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Origin of peptide

1905–10; pept(ic) + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for peptide

peptide

noun
  1. any of a group of compounds consisting of two or more amino acids linked by chemical bonding between their respective carboxyl and amino groupsSee also peptide bond, polypeptide
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for peptide

n.

1906, from German peptid; see peptone + -ide, probably indicating a derivative.

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Online Etymology Dictionary, © 2010 Douglas Harper

peptide in Medicine

peptide

(pĕptīd′)
n.
  1. Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
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Related formspep•tidic (-tĭdĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

peptide in Science

peptide

[pĕptīd′]
  1. 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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.