Amphineura

plural noun

Am·​phi·​neu·​ra
-ˈn(y)u̇rə
: a class of bilaterally symmetrical marine mollusks sometimes considered an order of Gastropoda, comprising the chitons and their related forms, having two lateral and two ventral nerve cords, and being commonly divided into the Polyplacophora and the Aplacophora
amphineuran
-rən
noun
plural -s
amphineurous
¦⸗⸗¦⸗rəs
adjective

Word History

Etymology

New Latin, from amphi- + -neura

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of Amphineura was in 1878

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 Amphineura

Cite this Entry

“Amphineura.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Amphineura. Accessed 13 Nov. 2024.

Love words? Need even more definitions?

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