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

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