riboflavin

noun
ri·​bo·​fla·​vin | \ ˌrī-bə-ˈflā-vən How to pronounce riboflavin (audio) , ˈrī-bə-ˌflā-\

Definition of riboflavin

: a yellow crystalline compound C17H20N4O6 of the vitamin B complex that occurs both free (as in milk) and combined (as in liver) as a component of coenzymes (such as FMN) which are essential to normal metabolism

called also vitamin B2

Examples of riboflavin in a Sentence

Recent Examples on the Web

Doctors aren’t 100 percent sure why riboflavin (which is an essential dietary nutrient) may help, but mitochondrial dysfunction may have something to do with it. Korin Miller, SELF, "Neurologists Share Exactly How They Deal With Their Migraines," 1 Aug. 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018 Maple’s advocates also tout it as a source of minerals such as manganese and riboflavin. Jason Wilson, charlotteobserver, "Vermont’s maple syrup business is booming, thanks to technology and changing tastes," 4 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'riboflavin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of riboflavin

1935, in the meaning defined above

History and Etymology for riboflavin

International Scientific Vocabulary ribo- + Latin flavus yellow — more at blue

Keep scrolling for more

Learn More about riboflavin

Share riboflavin

Statistics for riboflavin

Look-up Popularity

Time Traveler for riboflavin

The first known use of riboflavin was in 1935

See more words from the same year

Keep scrolling for more

More Definitions for riboflavin

riboflavin

noun

English Language Learners Definition of riboflavin

technical : a natural substance (called a vitamin) that is found in certain foods (such as milk, eggs, and leafy vegetables) and that helps your body to be healthy

riboflavin

noun
ri·​bo·​fla·​vin | \ ˌrī-bə-ˈflā-vən, ˈrī-bə-ˌ How to pronounce riboflavin (audio) \
variants: also riboflavine \ -​ˌvēn How to pronounce riboflavine (audio) \

Medical Definition of riboflavin

: a yellow crystalline compound C17H20N4O6 that is a growth-promoting member of the vitamin B complex and occurs both free (as in milk) and combined (as in liver)

called also lactoflavin, ovoflavin, vitamin B2

More from Merriam-Webster on riboflavin

Rhyming Dictionary: Words that rhyme with riboflavin

Britannica.com: Encyclopedia article about riboflavin

Comments on riboflavin

What made you want to look up riboflavin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a shady place in a garden or forest

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!