peptide bond Word Origin noun Biochemistry.
- a covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.
Origin of peptide bond First recorded in 1930–35 Also called peptide linkage. British Dictionary definitions for peptide bond peptide bond noun
- biochem a chemical amide linkage, –NH–CO–, formed by the condensation of the amino group of one amino acid with the carboxyl group of another
peptide bond in Medicine peptide bond n.
- The chemical bond formed between the carboxyl groups and amino groups of neighboring amino acids, constituting the primary linkage of all protein structures.
peptide bond in Science peptide bond
- The chemical bond formed between amino acids, constituting the primary linkage in all protein structures. In a peptide bond, the carboxyl group (COOH) of one amino acid bonds with the amino group (NH2) of another, forming the sequence CONH and releasing water (H2O).