riboflavin
noun/ˌraɪbəˈfleɪvɪn/
/ˌraɪbəˈfleɪvɪn/
[uncountable]- a vitamin which is important for producing energy, found in milk, liver, eggs and green vegetablesWord Origin1930s: from ribose + Latin flavus ‘yellow’ + -in.
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riboflavin