acanthodian

1 of 2

adjective

ac·​an·​tho·​di·​an
variants or less commonly acanthodean
¦aˌkan¦thōdēən,
¦akən-
: of or belonging to the subclass Acanthodii

acanthodian

2 of 2

noun

variants or less commonly acanthodean
"
plural -s
: an animal or fossil belonging to the subclass Acanthodii

Word History

Etymology

Adjective

New Latin Acanthodii, Acanthodei + English -an

First Known Use

Adjective

1849, in the meaning defined above

Noun

1845, in the meaning defined above

Time Traveler
The first known use of acanthodian was in 1845

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near acanthodian

Cite this Entry

“Acanthodian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acanthodian. Accessed 3 Dec. 2024.

Love words? Need even more definitions?

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