plural noun
Ed·​ri·​oph·​thal·​ma | \ ˌedrēˌäfˈthalmə \

Definition of Edriophthalma

in some classifications
: a superorder of Malacostraca that includes forms with sessile eyes and is coextensive with the orders Isopoda and Amphipoda — compare arthrostraca

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 Edriophthalma

edriophthalmatous \ ¦⸗⸗ˌ⸗¦⸗mətəs \ or edriophthalmous \ -​məs \ adjective

History and Etymology for Edriophthalma

New Latin, from edri- (from Greek hedraios) + -ophthalma

Keep scrolling for more

Learn More about Edriophthalma

Statistics for Edriophthalma

Cite this Entry

“Edriophthalma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Edriophthalma. Accessed 26 Jan. 2021.

Comments on Edriophthalma

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


Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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