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actinopterygian

American

[ak-tuh-nop-tuh-rij-ee-uhn] / ˌæk təˌnɒp təˈrɪdʒ i ən /

adjective

belonging or pertaining to the Actinopterygii, a group of bony fishes.

noun

an actinopterygian fish.

actinopterygian Scientific

/ ăk′tə-nŏp′tə-rĭj′ē-ən /

See ray-finned fish

Etymology

Origin of actinopterygian

< New Latin Actinopterygi ( i ) (plural) ( actino- actino- + Greek pterýgi ( on ) fin, equivalent to pteryg- (stem of ptéryx wing) + -ion diminutive suffix) + -an

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Major adaptive levels in the evolution of the actinopterygian feeding mechanism.

From A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas by Echols, Joan

Cheirolepis, found in the Old Red of Scotland and Canada, is the only Devonian representative of the actinopterygian fishes.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023