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acanthopterygian

[ak-uh n-thop-tuh-rij-ee-uh n] /ˌæk ənˌθɒp təˈrɪdʒ i ən/
adjective
1.
belonging or pertaining to the Acanthopterygii (Acanthopteri), the group of spiny-finned fishes, including the bass and perch.
noun
2.
an acanthopterygian fish.
Origin
1825-1835
1825-35; < New Latin Acanthopterygi(i) (acantho- acantho- + Greek pterýgi(on) small wing, fin + Latin masculine plural ending) + -an
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for acanthopterygian

acanthopterygian

/ˌækənˌθɒptəˈrɪdʒɪən/
adjective
1.
of, relating to, or belonging to the Acanthopterygii, a large group of teleost fishes having spiny fin rays. The group includes most saltwater bony fishes
noun
2.
any fish belonging to the Acanthopterygii
Compare malacopterygian
Word Origin
C19: from New Latin Acanthopterygii, from acantho- + Greek pterúgion fin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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acanthopterygian in Science
acanthopterygian
  (āk'ən-thŏp'tə-rĭj'ē-ən)   
Any of a large group of teleost fishes of the superorder Acanthopterygii, having spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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