noun Ulo·thrix \ˈyüləˌthriks\

Definition of Ulothrix

  1. :  a genus (the type of the family Ulotrichaceae) of green algae that are common in ponds and consist of simple filaments with band-shaped green chloroplasts

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 ulothrix

New Latin Ulotrich-, Ulothrix, from Greek oulotrich-, oulothrix having curly hair — more at ulotrichous

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!