actinopterygian

[ak-tuh-nop-tuh-rij-ee-uhn]

ac·ti·nop·te·ryg·i·an

[ak-tuh-nop-tuh-rij-ee-uhn]
adjective
1.
belonging or pertaining to the Actinopterygii, a group of bony fishes.
noun
2.
an actinopterygian fish.

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Actinopterygian has a plethora of syllables.
So is supercalifragilisticexpialidocious. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
(used as a nonsense word by children to express approval or to represent the longest word in English.)

Origin:
< Neo-Latin Actinopterygi(i) (plural) (actino- actino- + Greek pterýgi(on) fin, equivalent to pteryg- (stem of ptéryx wing) + -ion diminutive suffix) + -an
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To actinopterygian
American Heritage
Science Dictionary
actinopterygian   (āk'tə-nŏp'tə-rĭj'ē-ən)  Pronunciation Key 
See ray-finned fish.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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