actinopteran

noun
ac·​ti·​nop·​te·​ran | \ ˌak-tə-ˈnäp-tə-rən\
plural -s

Definition of actinopteran

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 actinopteran

circa 1889, in the meaning defined above

History and Etymology for actinopteran

New Latin Actinopteri + English -an

Keep scrolling for more

Learn More about actinopteran

Statistics for actinopteran

Look-up Popularity

Time Traveler for actinopteran

The first known use of actinopteran was circa 1889

See more words from the same year

Comments on actinopteran

What made you want to look up actinopteran? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

miscellaneous remnants or debris

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

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!