Apneumona

plural noun

Apneu·​mo·​na
(ˈ)āˈn(y)ümənə,
apˈn-
variants or Apneumones
-məˌnēz
: a formerly recognized division of Holothurioidea comprising forms lacking an internal respiratory apparatus compare pneumonophora
apneumonous
(ˈ)ā¦n-
(ˈ)ap¦n-
adjective

Word History

Etymology

New Latin, from a- entry 2 + -pneumona, -pneumones (from Greek pneumon-, pneumōn lung)

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!

Dictionary Entries Near Apneumona

Cite this Entry

“Apneumona.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Apneumona. Accessed 29 Nov. 2024.

Love words? Need even more definitions?

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