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Anadromous

 - 2 dictionary results

a⋅nad⋅ro⋅mous

[uh-nad-ruh-muhs]
–adjective
(of fish) migrating from salt water to spawn in fresh water, as salmon of the genera Salmo and Oncorhynchus (distinguished from catadromous ).

Origin:
1745–55; < Gk anádromos running upward. See ana-, -drome, -ous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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a·nad·ro·mous   (ə-nād'rə-məs)   
adj.  Migrating up rivers from the sea to breed in fresh water. Used of fish.

[From Greek anadromos, running up : ana-, ana- + dromos, a running.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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