• Nucleic acid

    Pronunciation

    • RP IPA: /njuːˈkliː.ɪk ˈæsɪd/, /njuːˈkleɪ.ɪk ˈæsɪd/
    • US IPA: /nuˈkleɪ.ɪk ˈæsɪd/

    Origin

    nucleic (of the nucleus) + acid

    Full definition of nucleic acid

    Noun

    1. (biochemistry, genetics) Any acidic, chainlike biological macromolecule consisting of multiply repeat units of phosphoric acid, sugar and purine and pyrimidine bases; they are involved in the preservation, replication and expression of hereditary information in every living cell
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