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English definition of “ribonucleic acid”

ribonucleic acid

noun [U]     /ˌraɪ.bəʊ.njuː.kliː.ɪkˈæs.ɪd/ US  /-boʊ.nuː.kliː-/ (abbreviation RNA) specialized
an important chemical present in all living cellsAnimal biochemistryPlant biochemistry
(Definition of ribonucleic acid noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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