Teleostomi

plural noun

Tel·​e·​os·​to·​mi
: a class or sometimes a subclass that contains all existing jawed fishes except the Chondrichthyes or sometimes the Chondrichthyes and Choanichthyes, that is characterized by membrane bones developed in connection with and entering into the structure of the jaws, cranium, pectoral arch, and opercular apparatus, gill arches bearing filamentous gills, and no claspers on the ventral fins, and that includes the ganoids and teleosts and is further characterized by the hyostylic suspensorium, bony fin rays, and lack of cerebral hemispheres
teleostomian
¦⸗⸗⸗¦stōmēən
adjective
or teleostomic
¦⸗⸗⸗¦stämik
or teleostomous
¦⸗⸗¦ästəməs

Word History

Etymology

New Latin, from tele- entry 2 + -stomi

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 Teleostomi

Cite this Entry

“Teleostomi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Teleostomi. Accessed 29 Jan. 2023.

Love words? Need even more definitions?

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


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY