Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

FMN

play
noun \ˌef-ˌem-ˈen\

Definition of FMN

  1. :  a yellow crystalline phosphoric ester C17H21N4O9P of riboflavin that is a coenzyme of several flavoprotein enzymes



Origin and Etymology of fmn

flavin mononucleotide


First Known Use: circa 1953


Medical Dictionary

FMN

play
noun \ˌef-ˌem-ˈen\

Medical Definition of FMN

  1. :  a yellow crystalline phosphoric ester C17H21N4O9P of riboflavin that is a coenzyme of several flavoprotein enzymes—called also flavin mononucleotide, riboflavin phosphate




Learn More about fmn

  1. Medical Dictionary: Definition of FMN


Seen and Heard

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

WORD OF THE DAY

the act or an instance of embezzling

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

fox-in-summer-forest

Which of these is a synonym of inchoate?

frightening experimental massive formless
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ