One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) WordNet 3.0

One of the four nucleotides used in building DNA, also known as deoxyadenylate, or dAMP; all four nucleotides have a common phosphate group and a sugar (ribose) Open English WordNet

Deoxyadenosine monophosphate, also known as deoxyadenylic acid or deoxyadenylate in its conjugate acid and conjugate base forms, respectively, is a derivative of the common nucleic acid AMP, or adenosine monophosphate, in which the -OH group on the 2' carbon on the nucleotide's pentose has been reduced to just a hydrogen atom. Wikipedia