Definitions for "Amino group"
Weakly basic functional group derived from ammonia (NH) in which one or more hydrogen atoms are replaced by another atom. In aqueous solution it can accept a proton and carry a positive charge.
a molecule containing a nitrogen atom with two hydrogen atoms attached to the nitrogen
An organic compound containing the -NH2- group. Substances which contain this group are called amines. Examples include urea, and trimethylamine.
Keywords:  radical
the radical -NH2
a structural characteristic of all amino acids