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Acadian French
Acadian orogeny
acalculia
acanthamoeba infection
acanthi
acantho-
acanthocephalan
acanthomoeba infection
acanthopterygian
acanthus
Acapulco
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acanthopterygian
ac·an·thop·ter·yg·i·an [ àkən thòptə ríjjee ən ] (plural ac·an·thop·ter·yg·i·ans)


noun 
Definition:
 
fish with spiny rays on fins: a fish with toothed scales and spiny rays on the fins, e.g. a mackerel, perch, or bass. Superorder Acanthopterygii.
[Mid-19th century. < Greek akantha "thorn" + pterugion "fin," literally "small wing" < pterux "wing"]

ac·an·thop·ter·yg·i·an adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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