plural noun
Pri·​ono·​des·​ma·​cea | \ˌprīə(ˌ)nōˌdezˈmāsēə;prīˌänō-, prīˌōnō-\

Definition of Prionodesmacea 

in some classifications

: a division of Lamellibranchia comprising comparatively primitive bivalve mollusks that typically have the hinge prionodont and being approximately equal to the combined orders Protobranchia and Filibranchia

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 Prionodesmacea

prionodesmacean \¦⸗⸗(ˌ)⸗¦⸗¦māshən, ⸗¦⸗⸗¦⸗¦⸗⸗ \ noun or adjective
prionodesmaceous \-​shəs \ adjective

History and Etymology for Prionodesmacea

New Latin, from prion- + desm- + -acea

Keep scrolling for more

Learn More about Prionodesmacea

Share Prionodesmacea

Statistics for Prionodesmacea

Look-up Popularity

Comments on Prionodesmacea

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


living or existing for a long time

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
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!