ribonucleic acid

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌraɪbəʊnjuːˈkliːɪk/

US:USA pronunciation: IPAUSA pronunciation: IPA/ˈraɪboʊnuˈkliɪk ˈæsɪd, -ˈkleɪ-, -nju-/

US:USA pronunciation: respellingUSA pronunciation: respelling(rī′bō no̅o̅ klē′ik, -klā′-, -nyo̅o̅-, rī′-)



WordReference Random House Learner's Dictionary of American English © 2026
ri•bo•nu•cle•ic ac•id /ˈraɪboʊnuˈkliɪk ˈæsɪd, -ˈkleɪ-, -nyu-/USA pronunciation  n. [uncountable]
  1. Biochemistrya molecule that is important in the synthesis of protein.

WordReference Random House Unabridged Dictionary of American English © 2026
ri′bo•nu•cle′ic ac′id  (rī′bō no̅o̅ klē′ik, -klā′-, -nyo̅o̅-, rī′-),USA pronunciation [Biochem.]
  1. BiochemistrySee RNA. 
Also, ri′bose nucle′ic ac′id. 
  • ribo(se) + nucleic acid 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
ribonucleic acid /ˌraɪbəʊnjuːˈkliːɪk; -ˈkleɪ-/ n
  1. the full name of RNA
Etymology: 20th Century: from ribo( se) + nucleic acid
'ribonucleic acid' also found in these entries (note: many are not synonyms or translations):
RNA - amp - deoxyribonucleic acid - GMP - guanosine - ribonucleotide

Forum discussions with the word(s) "ribonucleic acid" in the title:


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