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annual
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Pronunciation: (ann-you-aal)
- Living for only one year or season.
- [Middle English annuel, from Old French, from Late Latin annualis, ultimately
from Latin annus, year. See at- in Indo-European Roots.]
- Source: The American Heritage® Dictionary of the English Language,
Fourth Edition Copyright © 2000 by Houghton Mifflin Company. Published by Houghton
Mifflin Company. All rights reserved.
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anus
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Pronunciation: (a-nus)
- The opening at the lower end of the alimentary canal through which solid
waste is eliminated from the body.
 
- [Middle English, from Latin nus, ring, anus.]
- Text Source (in part): The American Heritage® Dictionary of the English Language,
Fourth Edition Copyright © 2000 by Houghton Mifflin Company.
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anal fin
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Pronunciation: (a-nuul fin)
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caudal fin
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Pronunciation: (kaud-uul fin)
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dorsal
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Pronunciation: (door-saal)
- Of, toward, on, in, or near the back or upper surface of an organ,
part, or organism.
- [Middle English, from Late Latin dorslis, from Latin dorsulis, from dorsum,
back.]
- Text Source (in part): The American Heritage® Dictionary of the English Language,
Fourth Edition Copyright © 2000 by Houghton Mifflin Company.
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ichthyology
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Pronunciation: (ick-thee-all-o-gee)
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lateral
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Pronunciation: (laat-ter-aal)
- Of, relating to, or situated at or on the side.
- [Middle English, from Old French, from Latin laterlis, from latus, later-, side.]
- Text Source (in part): The American Heritage® Dictionary of the English Language,
Fourth Edition Copyright © 2000 by Houghton Mifflin Company.
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posterior
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Pronunciation: (post-tear-eeore)
- Located behind a part or toward the rear of a structure.
- [Latin, comparative of posterus, coming after, from post, afterward. See apo-
in Indo-European Roots.]
- Text Source (in part): The American Heritage® Dictionary of the English Language,
Fourth Edition Copyright © 2000 by Houghton Mifflin Company.
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