Wiktionary
deoxyadenosine triphosphate
n. (context biochemistry English) A nucleoside triphosphate used in cells for DNA synthesis
Wikipedia
Deoxyadenosine triphosphate
Deoxyadenosine triphosphate (dATP) is a nucleoside triphosphate used in cells for DNA synthesis (or replication), as a substrate of DNA Polymerase.