|ad ə n|ilik- noun
Etymology: International Scientific Vocabulary adenyl + -ic
: an amorphous nucleotide C 10 H 12 N 5 O 3 H 2 PO 4 formed by partial hydrolysis of ribonucleic acid or of adenosine triphosphate, being an ester of adenosine and orthophosphoric acid known in three isomeric forms — called also adenosine phosphate ; see adenosine diphosphate