RIBOFLAVIN Meaning of RIBOFLAVIN in English riboflavin, riboflavine BrE AmE ˌraɪb ə ʊ ˈfleɪv ɪn -iːn, § - ə n AmE -oʊ- ˈ••ˌ•• Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012