vitamin B2

American  

noun

1. riboflavin.

---

vitamin B2 British  

noun

1. another name for riboflavin

---

vitamin B2 Scientific  

1. See riboflavin

---

Etymology

Origin of vitamin B2

First recorded in 1925–30

Example Sentences

No one mentioned the common names for these ingredients: seaweed, vitamin B2, and MSG, a common amino acid that has been demonized because it's popular in Asian food.

From Salon

Similarly, multivitamins typically contain riboflavin, or vitamin B2, which causes your urine to turn bright yellow when it is cleared.

From Salon

Goodrich developed a process to use riboflavin, or vitamin B2, and rays of ultraviolet light to do the same thing.

From Washington Post

Usually used to treat keratoconus - an eye disorder causing thinning of the cornea - it involves using ultraviolet light and vitamin B2 drops to stiffen the cornea.

From Fox News

Almonds are full of protein for energy, magnesium for heart health, calcium for bones, vitamin B2 for eyesight and healthy fats for the brain.

From Washington Post