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English definition of “nucleic acid”

nucleic acid

noun [C or U] uk   /njuːˌkleɪ.ɪkˈæs.ɪd/ us    /nuː-/ specialized
a type of acid that exists in all living cells: DNA and RNA are both nucleic acids.
(Definition of nucleic acid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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