Acanthopterygian
//ˌæk.ænˌθɑp.təˈɹɪd͡ʒ.i.n̩// adj, noun
adj, noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any fish of the superorder Acanthopterygii.
- 2 a teleost fish with fins that are supported by sharp inflexible rays wordnet
Adjective
- 1 Similar to an acanthopterygian. not-comparable
Etymology
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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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.