noun Cryp·to·si·pho·nia \ˌkriptōˌsīˈfōnēə\

Definition of Cryptosiphonia

  1. :  a genus of marine Pacific red algae (order Cryptonemiales) including one that is common on the coast and has a compressed tubular thallus with few branches and many short branchlets disposed along them

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of cryptosiphonia

New Latin, from crypt- + siphon- + -ia

Seen and Heard

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


to help become familiar with something

Get Word of the Day daily email!