nucleic acid
From Longman Dictionary of Contemporary EnglishRelated topics: Microbes, genetics, biochem, Biology, Chemistrynucleic acidnu‧cle‧ic ac‧id /njuːˌkliːɪk ˈæsəd, -ˌkleɪ- $ nuː-/ noun [countable, uncountable] HBMone of the two acids, DNA and RNA, that exist in the cells of all living thingsExamples from the Corpusnucleic acid• The test only confirms that the organism's nucleic acid is present.Origin nucleic acid (1800-1900) nucleus