nucleic acidnu·cle·ic acid
any of a group of essential, complex organic acids found in all living cells: the two types, DNA and RNA, consist of long chains of nucleotide units with each unit composed of phosphoric acid, a carbohydrate, and a base derived from purine or pyrimidine
Origin of nucleic acidfrom nucle(us) + -ic: because found in the nuclei of cells
Any of a class of large molecules that are polymers of nucleotides and are found in all living organisms and viruses. The principal nucleic acids, DNA and RNA, are the carriers of hereditary information and control the synthesis of proteins.
(plural nucleic acids)