The American HeritageĀ® Dictionary of the English Language, 4th Edition
n. An orange-yellow crystalline compound, C17H20N4O6, the principal growth-promoting factor in the vitamin B complex, naturally occurring in milk, leafy vegetables, fresh meat, and egg yolks. Also called lactoflavin, vitamin B2.
n. Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a B vitamin that prevents skin lesions and weight loss
Word Usage
"ā¢Vitamin B2, also known as riboflavin, is important to help balance the effects of B1 and B3."