Sphacelaria

noun
Sphac·​e·​lar·​ia | \ ˌsfasəˈla(a)rēə\

Definition of Sphacelaria

: a genus of small feathery brown algae (order Sphacelariales) similar to Ectocarpus but having the area of growth restricted to large dark brown apical cells

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!

History and Etymology for Sphacelaria

New Latin, from sphacelus gangrene + -aria

Keep scrolling for more

Comments on Sphacelaria

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

WORD OF THE DAY

formidable, illustrious, or eminent

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"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

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

TAKE THE QUIZ
Love words? Need even more definitions?

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