Definition of nucleic acid noun from the Oxford Advanced American Dictionary

 

nucleic acid

 noun
noun
NAmE//nuˌkliɪk ˈæsɪd//
 
, NAmE//nuˌkleɪɪkˈæsɪd//
 
[uncountable](chemistry)
 
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either of two acids, DNA and RNA, that are present in all living cells
See the Oxford Advanced Learner's Dictionary entry: nucleic acid