Definition of "polypeptide" [polypeptide]

• A peptide, such as a small protein, containing many molecules of amino acids, typically between 10 and 100. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This greatly reduces errors in polypeptide chain elongation, and is therefore highly favored by natural selection."
• "For awhile I was studying up on the presence of d-aa in polypeptide chains, with these peptides being produced biotically."
• "A larger number of these amino acids combined are called a polypeptide or protein, and these are chemically active in making a living being."