Myriophyllum

noun Myr·i·o·phyl·lum \ˌmirēōˈfiləm\

Definition of Myriophyllum

  1. :  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

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!
Already a subscriber? Log in.

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).

Love words? Need even more definitions?

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

WORD OF THE DAY

clear to the understanding

Get Word of the Day daily email!

Love words? Need even more definitions?

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