adenosine: [noun] a nucleoside C10H13N5O4 that is a constituent of RNA and yields adenine and ribose on hydrolysis.

For example, a nucleotide that has an adenine base and three phosphate residues would be named adenosine triphosphate (ATP). If the nucleotide has two phosphates, it would be adenosine diphosphate (ADP). If there is a single phosphate, the nucleotide is adenosine monophosphate (AMP). More Than 5 Nucleotides