plural noun

Definition of Laminariales 

: an order of marine brown algae that include many economically important kelps, are largely restricted to cold or polar seas, are distinguished by a complex and often very large sporophyte which is usually differentiated into well-defined holdfast, stipe, and blade, and have microscopic gametophytes

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 Laminariales

New Latin, from Laminaria + -ales

Keep scrolling for more

Learn More about Laminariales

Share Laminariales

Statistics for Laminariales

Look-up Popularity

Comments on Laminariales

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


one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

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!