from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid to the amino group of another.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
- n. The peptide bond itself.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
pept(one) + -ide.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek πεπτός ("digested"). (Wiktionary)