noun frax·in \ˈfraksə̇n\

Definition of fraxin



  1. :  a bitter yellowish crystalline glucoside C16H18O10 found especially in the bark of the ash and the horse chestnut

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of fraxin

International Scientific Vocabulary frax- (from Latin fraxinus) + -in; originally formed in German

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!