acantharian

noun

ac·​an·​thar·​i·​an
-rēən
plural -s
: a protozoan of the suborder Actipylea

Word History

Etymology

New Latin Acantharia + English -an

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of acantharian was in 1888

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 acantharian

Cite this Entry

“Acantharian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acantharian. Accessed 23 Jun. 2024.

Love words? Need even more definitions?

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