acanthopterygian

adjective
ac·​an·​thop·​te·​ryg·​i·​an | \ -ˌthäptəˈrijēən \
variants: or acanthopteran \ ¦aˌkanˈthäptərən , ¦akən-​ \

Definition of acanthopterygian

 (Entry 1 of 2)

: of or belonging to the Acanthopterygii

acanthopterygian

noun
\ " \
variants: or acanthopteran \ " \
plural -s

Definition of acanthopterygian (Entry 2 of 2)

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!

First Known Use of acanthopterygian

Adjective

1833, in the meaning defined above

Noun

1834, in the meaning defined above

History and Etymology for acanthopterygian

Adjective

New Latin Acanthopterygii or Acanthopteri + English -an

Learn More About acanthopterygian

Time Traveler for acanthopterygian

Time Traveler

The first known use of acanthopterygian was in 1833

See more words from the same year

Dictionary Entries Near acanthopterygian

Acanthopteri

acanthopterygian

Acanthopterygii

See More Nearby Entries 

Statistics for acanthopterygian

Cite this Entry

“Acanthopterygian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acanthopterygian. Accessed 27 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

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