SINCE 1828
dictionary
thesaurus
view recents

Hydrurus

noun
Save Word
Hy·​dru·​rus | \ hīˈdru̇rəs \

Definition of Hydrurus

: a genus of colonial plantlike flagellates (order Chrysomonadina) occurring as sticky foul-smelling branched feathery greenish brown tufts in cold flowing water — see hydruraceae

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Hydrurus

New Latin, from hydr- + -urus

Keep scrolling for more

Learn More about Hydrurus

Statistics for Hydrurus

Cite this Entry

“Hydrurus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hydrurus. Accessed 3 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on Hydrurus

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

Show Comments  Hide Comments 

WORD OF THE DAY

contaminate

Listen to the pronunciation of contaminate

See Definitions and Examples »

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
AlphaBear 2

Spell words. Make bears.

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!

Words at Play
Ask the Editors
Word Games