plural noun
Rho·​dom·​e·​la·​ce·​ae | \ rōˌdäməˈlāsēˌē\

Definition of Rhodomelaceae

: a large family of filamentous red algae (order Rhodymeniales) characterized by a much-branched thallus in which the main axis and branches consist of a polysiphonic arrangement of filaments

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 Rhodomelaceae

rhodomelaceous \ ⸗¦⸗⸗¦lāshəs \ adjective

History and Etymology for Rhodomelaceae

New Latin, from Rhodomela, type genus (from rhod- + Greek melas black) + -aceae

Keep scrolling for more

Comments on Rhodomelaceae

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


not to be persuaded, moved, or stopped

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

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!