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 • Mar. 26, 2025

FMN, which is derived from vitamin B2, also called riboflavin, is one of several prosthetic groups or co-factors in the electron transport chain.

From Textbooks • Jun. 9, 2022

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

From Washington Post • Jun. 30, 2021

Spelt includes complex carbohydrates, and is rich in both soluble and insoluble fiber, vitamin B2, niacin, manganese, thiamin, copper and magnesium.

From Time • Nov. 23, 2015

The residue of cottonseed-oil making can now be processed to make it palatable, is exceptionally rich in protein and vitamin B2.

From Time Magazine Archive