What's Trending Now
More Trending Words
Myriophyllum
noun
Myr·i·o·phyl·lum
\ˌmirēōˈfiləm\
Definition of Myriophyllum
: a widely distributed genus of submerged aquatic plants (family Haloragaceae) having much-divided whorled or alternate leaves and emersed wind-pollinated flowers — see water milfoil
Explore Merriam-Webster
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 myriophyllum
New Latin, from Latin myriophyllon water milfoil, from Greek, from myrio- myri- + phyllon leaf
Seen and Heard
What made you want to look up Myriophyllum? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!