actinopterygian

1 of 2

adjective

ac·​ti·​nop·​te·​ryg·​i·​an
¦ak-tə-ˌnäp-tə-ˈri-jē-ən
: of or relating to the Actinopterygii

actinopterygian

2 of 2

noun

ac·​ti·​nop·​te·​ryg·​i·​an
¦ak-tə-ˌnäp-tə-ˈri-jē-ən
plural -s
: one of the Actinopterygii

Word History

Etymology

Adjective

New Latin Actinopterygii + English -an

First Known Use

Adjective

1871, in the meaning defined above

Noun

1897, in the meaning defined above

Time Traveler
The first known use of actinopterygian was in 1871

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Dictionary Entries Near actinopterygian

Cite this Entry

“Actinopterygian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinopterygian. Accessed 22 Dec. 2024.

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