(biochemistry) Any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom; especially those amino acids that occur naturally as peptides and proteins.

(biochemistry) Any of many naturally-occurring compounds formally derived from a carbohydrate by replacing one or more hydroxyl group with a simple or substituted amino group

plural of beta-amino acid

plural of alpha-amino acid

plural of amino alcohol

plural of amino sugar

(organic chemistry) Any cation formed by protonating an amine

plural of aminium

plural of aminoacetophenone

(organic chemistry) The compound formed by the substitution of an amine group for one of the hydrogens of acetophenone, having the molecular formula C₈H₉NO; or any specific isomer of this compound.