Definition of Cryptosiphonia
: 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).