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acanthopterygian

acant·hop·te·rygian

US/ˌæk.ænˌθɑp.təˈɹɪd͡ʒ.i.n̩/ uncommon

noun

1.

a teleost fish with fins that are supported by sharp inflexible rays

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Antonyms

Origin

From New Latin, from acanthus (“thorn”), (from Ancient Greek ἄκανθος (ákanthos)) + Ancient Greek πτερύγιον (pterúgion) diminutive of πτέρυξ (ptérux, “wing, fin”), from πτερόν (pterón, “feather, wing”).

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.