What's Trending Now
More Trending Words
Rivulariaceae
plural noun
Riv·u·lar·i·a·ce·ae
Definition of Rivulariaceae
: a family of freshwater blue-green algae (order Hormogonales) consisting of slender gradually attenuated or hair-tipped filaments usually growing in tufts attached to the substrate and frequently mucilaginous — see calothrix rivularia
rivulariaceous
adjectivePeople Are Reading
There's more!
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!
Origin and Etymology of rivulariaceae
New Latin, from Rivularia, type genus + -aceae
Seen and Heard
What made you want to look up Rivulariaceae? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!