nucleic acid

noun
🔊/njuːˌkliːɪk ˈæsɪd/, 🔊/njuːˌkleɪɪk ˈæsɪd/
🔊/nuːˌkliːɪk ˈæsɪd/, 🔊/nuːˌkleɪɪk ˈæsɪd/
[uncountable] (chemistry化学)
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  1. either of two substances, DNA and RNA, that are present in all living cells核酸