plural noun

Definition of Oscillatoriaceae

: a family of blue-green algae (order Hormogonales) growing as slender filaments often in tangled masses in water or on damp rocks or soil, forming slimy layers on soil, commonly exhibiting oscillating movements, and reproducing only asexually by hormogonia

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!

Other Words from Oscillatoriaceae

oscillatoriaceous \ ¦⸗⸗⸗¦⸗⸗¦āshəs \ adjective

History and Etymology for Oscillatoriaceae

New Latin, from Oscananillatoria, type genus + -aceae

Keep scrolling for more

Comments on Oscillatoriaceae

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


concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

Bee Cubed

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!