RIBONUCLEIC Meaning of RIBONUCLEIC in English ribonucleic BrE AmE ˌraɪb əʊ nju ˈkli ː ‿ɪk ◂ § -nuˈ•-, -ˈkleɪ- AmE -oʊ nu- -njuˈ•- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012