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.
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 peptidepept(one) + -ide
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 peptidepept(one) -ide
From Ancient Greek πεπτός (peptos, “digested”).