noun ure·do \yəˈrē(ˌ)dō\

Definition of uredo

  1. 1 plural -s :  the uredostage of a rust formerly regarded as a distinct genus

  2. 2 capitalized :  a form genus of rusts including forms having either a uredostage only or having a uredostage together with pycnial and aecial stages

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 uredo

New Latin, from Latin, blast, blight, burning itch, from urere to burn — more at ember

Seen and Heard

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


a rounded knoll or a ridge of ice

Get Word of the Day daily email!