nucleic acid /(no͡o*klā"ĭk ăs"ĭd [or] no͡o*klē"ĭk)/

nu·cle·ic ac·id

nucleic acid

n.
  1. A natural or synthetic polymer consisting of chains of ribonucleotide or deoxyribonucleotide units. (Chem., Biochem., Genetics)