Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of a large group of fishes of the superorder Acanthopterygii, having bony skeletons and spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.
Century Dictionary and Cyclopedia
- Of or pertaining to the Acanthopterygii; having the characters of the Acanthopterygii.
- n. One of the Acanthopterygii; a fish with spiny fins.
GNU Webster's 1913
- adj. (Zoöl.) Belonging to the order of fishes having spinose fins, as the perch.
WordNet 3.0
- n. a teleost fish with fins that are supported by sharp inflexible rays
Etymologies
- From New Latin, from acanthus ("thorn"), (from Ancient Greek ἄκανθος) + Ancient Greek πτερυγίων (pterugion) diminutive of πτέρυξ (pterux, "wing, fin"), from πτερόν ("feather, wing"). (Wiktionary)
- From New Latin Acanthopterygiī, superorder name : acantho- + Greek pterux, pterug-, wing, fin. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The acanthopterygian family (_Labyrinthici_) contains nine freshwater genera, and these are distributed between the East Indies and South and”
“If you speak of an acanthopterygian, it is plain that you are not discussing perch in reference to its roasting or boiling merits; and if you make an allusion to monomyarian malacology, it will not naturally be supposed to have reference to the cooking of oyster sauce.”
“Ay, there must be something strangely entrancing in dragging the shoal waters with a hand-line, for unsuspicious, easily duped members of the acanthopterygian tribe of fishes, -- under which alarming denomination come, I believe, nearly all the finny fellows to be met with on these sand-banks, from the bluefish to the burgall.”
Lists
These user-created lists contain the word ‘acanthopterygian’.
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Seven-syllable English Words
A list of English words containing seven syllables, beginning, somewhat ironically, with inapplicability, since a fair number of these words one would never use.
I'm tagging all words ...inapplicability, unsatisfactorily, heterogeneity, disintermediation, antiglobalization, telecommunication, interdisciplinary, meteorological, socioeconomic, intelligibility, autobiographical, industrialization and 423 more...
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fish list
lots and lots of fish, a piscatorial
wetdreamablet, agnathan, ahi, ahuru, ahuruhuru, albacore, albicore, alec, alewife, allice, allis, amberjack and 840 more...
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goodkitten's list
there is going to be a lot of words...
flammivomous, pep, electrolyzation, research, constrain, why, refrigerator, invisible, windblown, curate's egg, echoism, drumble and 103 more...
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Adjectival Arcana
A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
unitegmic, acaulescent, reticuloendothelial, ingressive, uniate, acanthopterygian, ossific, epiphysial, perivisceral, acœlomatous, cestoid, acælomate and 7756 more...
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Monstrosities and Abominations
Great and Terrible.
antidisestablishm..., hippopotomonstros..., acanthopterygian
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Superfluous/Grandiloquent/Ostentatiou...
My effusively over-the-top sparklers.
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Jub-Jubs and Jabberwocks (Neologisms ...
Words that are composed of many angles, spikes, and spines.
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Practical/Scientific/Down-to-Earth/Pr...
The in-the-earth, finger grasping, paint-stained chipping of nails against boarded windows.
Tweets
Looking for tweets for acanthopterygian.

Harry_Fabian whoa..that's a mouthful.
Feb 28, 2013
bilby Nice work leaden :-) Feb 27, 2013
leaden
Spiny, fish of the
acanthopterygian
variety are.
Feb 26, 2013