amino acid
Pronunciation: /əmiːnəʊˈasɪd/
noun
Biochemistry- a simple organic compound containing both a carboxyl (COOH) and an amino (NH2) group:
- Amino acids occur naturally in plant and animal tissues and form the basic constituents of proteins. There are about twenty common amino acids, of which the simplest is glycine (H2NCH2COOH)